Home / 282,340.89-389,631.06-153,280.35

Finding the Fourth Proportional to 282,340.89, 389,631.06 and 153,280.35

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Solution

The fourth proportional to 282,340.89, 389,631.06 and 153,280.35 is: 211,527.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,340.89 : 389,631.06 = 153,280.35 : x
  2. Step 2: Convert to fraction form
    282,340.89/389,631.06 = 153,280.35/x
  3. Step 3: Cross multiply
    282,340.89x = 389,631.06 × 153,280.35
  4. Step 4: Simplify right side
    282,340.89x = 59,722,785,247.67
  5. Step 5: Solve for x
    x = 59,722,785,247.67/282,340.89
  6. Step 6: Final answer
    x = 211,527.23

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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.