Home / 151,169.60-208,901.76-113,378.24

Finding the Fourth Proportional to 151,169.60, 208,901.76 and 113,378.24

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Solution

The fourth proportional to 151,169.60, 208,901.76 and 113,378.24 is: 156,677.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,169.60 : 208,901.76 = 113,378.24 : x
  2. Step 2: Convert to fraction form
    151,169.60/208,901.76 = 113,378.24/x
  3. Step 3: Cross multiply
    151,169.60x = 208,901.76 × 113,378.24
  4. Step 4: Simplify right side
    151,169.60x = 23,684,913,881.70
  5. Step 5: Solve for x
    x = 23,684,913,881.70/151,169.60
  6. Step 6: Final answer
    x = 156,677.76

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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.