Home / 229,287.24-316,417.05-127,312.92

Finding the Fourth Proportional to 229,287.24, 316,417.05 and 127,312.92

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Solution

The fourth proportional to 229,287.24, 316,417.05 and 127,312.92 is: 175,692.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,287.24 : 316,417.05 = 127,312.92 : x
  2. Step 2: Convert to fraction form
    229,287.24/316,417.05 = 127,312.92/x
  3. Step 3: Cross multiply
    229,287.24x = 316,417.05 × 127,312.92
  4. Step 4: Simplify right side
    229,287.24x = 40,283,978,573.29
  5. Step 5: Solve for x
    x = 40,283,978,573.29/229,287.24
  6. Step 6: Final answer
    x = 175,692.20

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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.