Home / 369,389.10-554,083.79-88,906.35

Finding the Fourth Proportional to 369,389.10, 554,083.79 and 88,906.35

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Solution

The fourth proportional to 369,389.10, 554,083.79 and 88,906.35 is: 133,359.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,389.10 : 554,083.79 = 88,906.35 : x
  2. Step 2: Convert to fraction form
    369,389.10/554,083.79 = 88,906.35/x
  3. Step 3: Cross multiply
    369,389.10x = 554,083.79 × 88,906.35
  4. Step 4: Simplify right side
    369,389.10x = 49,261,564,981.61
  5. Step 5: Solve for x
    x = 49,261,564,981.61/369,389.10
  6. Step 6: Final answer
    x = 133,359.55

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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.