Home / 369,180.10-553,402.14-156,001.78

Finding the Fourth Proportional to 369,180.10, 553,402.14 and 156,001.78

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Solution

The fourth proportional to 369,180.10, 553,402.14 and 156,001.78 is: 233,847.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,180.10 : 553,402.14 = 156,001.78 : x
  2. Step 2: Convert to fraction form
    369,180.10/553,402.14 = 156,001.78/x
  3. Step 3: Cross multiply
    369,180.10x = 553,402.14 × 156,001.78
  4. Step 4: Simplify right side
    369,180.10x = 86,331,718,895.81
  5. Step 5: Solve for x
    x = 86,331,718,895.81/369,180.10
  6. Step 6: Final answer
    x = 233,847.16

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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.