Home / 229,192.50-316,251.95-127,218.74

Finding the Fourth Proportional to 229,192.50, 316,251.95 and 127,218.74

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Solution

The fourth proportional to 229,192.50, 316,251.95 and 127,218.74 is: 175,543.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,192.50 : 316,251.95 = 127,218.74 : x
  2. Step 2: Convert to fraction form
    229,192.50/316,251.95 = 127,218.74/x
  3. Step 3: Cross multiply
    229,192.50x = 316,251.95 × 127,218.74
  4. Step 4: Simplify right side
    229,192.50x = 40,233,172,384.19
  5. Step 5: Solve for x
    x = 40,233,172,384.19/229,192.50
  6. Step 6: Final answer
    x = 175,543.15

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1.5x scale

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.