Home / 282,285.16-389,551.85-153,226.19

Finding the Fourth Proportional to 282,285.16, 389,551.85 and 153,226.19

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Solution

The fourth proportional to 282,285.16, 389,551.85 and 153,226.19 is: 211,451.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,285.16 : 389,551.85 = 153,226.19 : x
  2. Step 2: Convert to fraction form
    282,285.16/389,551.85 = 153,226.19/x
  3. Step 3: Cross multiply
    282,285.16x = 389,551.85 × 153,226.19
  4. Step 4: Simplify right side
    282,285.16x = 59,689,545,782.95
  5. Step 5: Solve for x
    x = 59,689,545,782.95/282,285.16
  6. Step 6: Final answer
    x = 211,451.24

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.