Home / 387,304.16-581,038.84-134,592.24

Finding the Fourth Proportional to 387,304.16, 581,038.84 and 134,592.24

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Solution

The fourth proportional to 387,304.16, 581,038.84 and 134,592.24 is: 201,917.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,304.16 : 581,038.84 = 134,592.24 : x
  2. Step 2: Convert to fraction form
    387,304.16/581,038.84 = 134,592.24/x
  3. Step 3: Cross multiply
    387,304.16x = 581,038.84 × 134,592.24
  4. Step 4: Simplify right side
    387,304.16x = 78,203,319,002.60
  5. Step 5: Solve for x
    x = 78,203,319,002.60/387,304.16
  6. Step 6: Final answer
    x = 201,917.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.