Home / 151,555.71-209,138.28-94,193.56

Finding the Fourth Proportional to 151,555.71, 209,138.28 and 94,193.56

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Solution

The fourth proportional to 151,555.71, 209,138.28 and 94,193.56 is: 129,981.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,555.71 : 209,138.28 = 94,193.56 : x
  2. Step 2: Convert to fraction form
    151,555.71/209,138.28 = 94,193.56/x
  3. Step 3: Cross multiply
    151,555.71x = 209,138.28 × 94,193.56
  4. Step 4: Simplify right side
    151,555.71x = 19,699,478,079.79
  5. Step 5: Solve for x
    x = 19,699,478,079.79/151,555.71
  6. Step 6: Final answer
    x = 129,981.76

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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.