Home / 127,966.79-191,987.08-39,233.39

Finding the Fourth Proportional to 127,966.79, 191,987.08 and 39,233.39

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Solution

The fourth proportional to 127,966.79, 191,987.08 and 39,233.39 is: 58,861.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,966.79 : 191,987.08 = 39,233.39 : x
  2. Step 2: Convert to fraction form
    127,966.79/191,987.08 = 39,233.39/x
  3. Step 3: Cross multiply
    127,966.79x = 191,987.08 × 39,233.39
  4. Step 4: Simplify right side
    127,966.79x = 7,532,302,926.58
  5. Step 5: Solve for x
    x = 7,532,302,926.58/127,966.79
  6. Step 6: Final answer
    x = 58,861.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.