Home / 127,417.05-191,126.18-38,671.02

Finding the Fourth Proportional to 127,417.05, 191,126.18 and 38,671.02

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Solution

The fourth proportional to 127,417.05, 191,126.18 and 38,671.02 is: 58,006.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,417.05 : 191,126.18 = 38,671.02 : x
  2. Step 2: Convert to fraction form
    127,417.05/191,126.18 = 38,671.02/x
  3. Step 3: Cross multiply
    127,417.05x = 191,126.18 × 38,671.02
  4. Step 4: Simplify right side
    127,417.05x = 7,391,044,425.98
  5. Step 5: Solve for x
    x = 7,391,044,425.98/127,417.05
  6. Step 6: Final answer
    x = 58,006.71

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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.