Home / 151,502.72-208,812.48-113,711.36

Finding the Fourth Proportional to 151,502.72, 208,812.48 and 113,711.36

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Solution

The fourth proportional to 151,502.72, 208,812.48 and 113,711.36 is: 156,725.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,502.72 : 208,812.48 = 113,711.36 : x
  2. Step 2: Convert to fraction form
    151,502.72/208,812.48 = 113,711.36/x
  3. Step 3: Cross multiply
    151,502.72x = 208,812.48 × 113,711.36
  4. Step 4: Simplify right side
    151,502.72x = 23,744,351,085.77
  5. Step 5: Solve for x
    x = 23,744,351,085.77/151,502.72
  6. Step 6: Final answer
    x = 156,725.58

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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.