Home / 229,603.74-316,856.96-126,242.31

Finding the Fourth Proportional to 229,603.74, 316,856.96 and 126,242.31

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Solution

The fourth proportional to 229,603.74, 316,856.96 and 126,242.31 is: 174,216.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,603.74 : 316,856.96 = 126,242.31 : x
  2. Step 2: Convert to fraction form
    229,603.74/316,856.96 = 126,242.31/x
  3. Step 3: Cross multiply
    229,603.74x = 316,856.96 × 126,242.31
  4. Step 4: Simplify right side
    229,603.74x = 40,000,753,938.77
  5. Step 5: Solve for x
    x = 40,000,753,938.77/229,603.74
  6. Step 6: Final answer
    x = 174,216.47

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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.