Home / 176,275.85-243,263.52-99,792.95

Finding the Fourth Proportional to 176,275.85, 243,263.52 and 99,792.95

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Solution

The fourth proportional to 176,275.85, 243,263.52 and 99,792.95 is: 137,715.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,275.85 : 243,263.52 = 99,792.95 : x
  2. Step 2: Convert to fraction form
    176,275.85/243,263.52 = 99,792.95/x
  3. Step 3: Cross multiply
    176,275.85x = 243,263.52 × 99,792.95
  4. Step 4: Simplify right side
    176,275.85x = 24,275,983,071.87
  5. Step 5: Solve for x
    x = 24,275,983,071.87/176,275.85
  6. Step 6: Final answer
    x = 137,715.88

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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.