Home / 369,156.59-553,766.15-102,917.35

Finding the Fourth Proportional to 369,156.59, 553,766.15 and 102,917.35

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Solution

The fourth proportional to 369,156.59, 553,766.15 and 102,917.35 is: 154,384.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,156.59 : 553,766.15 = 102,917.35 : x
  2. Step 2: Convert to fraction form
    369,156.59/553,766.15 = 102,917.35/x
  3. Step 3: Cross multiply
    369,156.59x = 553,766.15 × 102,917.35
  4. Step 4: Simplify right side
    369,156.59x = 56,992,144,677.70
  5. Step 5: Solve for x
    x = 56,992,144,677.70/369,156.59
  6. Step 6: Final answer
    x = 154,384.74

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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.