Home / 282,285.28-389,552.02-153,226.32

Finding the Fourth Proportional to 282,285.28, 389,552.02 and 153,226.32

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Solution

The fourth proportional to 282,285.28, 389,552.02 and 153,226.32 is: 211,451.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,285.28 : 389,552.02 = 153,226.32 : x
  2. Step 2: Convert to fraction form
    282,285.28/389,552.02 = 153,226.32/x
  3. Step 3: Cross multiply
    282,285.28x = 389,552.02 × 153,226.32
  4. Step 4: Simplify right side
    282,285.28x = 59,689,622,473.17
  5. Step 5: Solve for x
    x = 59,689,622,473.17/282,285.28
  6. Step 6: Final answer
    x = 211,451.42

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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.