Home / 229,317.17-316,447.07-127,349.11

Finding the Fourth Proportional to 229,317.17, 316,447.07 and 127,349.11

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Solution

The fourth proportional to 229,317.17, 316,447.07 and 127,349.11 is: 175,735.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,317.17 : 316,447.07 = 127,349.11 : x
  2. Step 2: Convert to fraction form
    229,317.17/316,447.07 = 127,349.11/x
  3. Step 3: Cross multiply
    229,317.17x = 316,447.07 × 127,349.11
  4. Step 4: Simplify right side
    229,317.17x = 40,299,251,298.74
  5. Step 5: Solve for x
    x = 40,299,251,298.74/229,317.17
  6. Step 6: Final answer
    x = 175,735.86

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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.