Home / 229,161.40-316,237.96-127,180.92

Finding the Fourth Proportional to 229,161.40, 316,237.96 and 127,180.92

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Solution

The fourth proportional to 229,161.40, 316,237.96 and 127,180.92 is: 175,507.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,161.40 : 316,237.96 = 127,180.92 : x
  2. Step 2: Convert to fraction form
    229,161.40/316,237.96 = 127,180.92/x
  3. Step 3: Cross multiply
    229,161.40x = 316,237.96 × 127,180.92
  4. Step 4: Simplify right side
    229,161.40x = 40,219,434,691.72
  5. Step 5: Solve for x
    x = 40,219,434,691.72/229,161.40
  6. Step 6: Final answer
    x = 175,507.02

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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.