Home / 151,557.71-209,141.04-94,195.56

Finding the Fourth Proportional to 151,557.71, 209,141.04 and 94,195.56

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Solution

The fourth proportional to 151,557.71, 209,141.04 and 94,195.56 is: 129,984.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,557.71 : 209,141.04 = 94,195.56 : x
  2. Step 2: Convert to fraction form
    151,557.71/209,141.04 = 94,195.56/x
  3. Step 3: Cross multiply
    151,557.71x = 209,141.04 × 94,195.56
  4. Step 4: Simplify right side
    151,557.71x = 19,700,157,381.78
  5. Step 5: Solve for x
    x = 19,700,157,381.78/151,557.71
  6. Step 6: Final answer
    x = 129,984.53

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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.