Home / 127,417.08-191,134.62-38,677.80

Finding the Fourth Proportional to 127,417.08, 191,134.62 and 38,677.80

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Solution

The fourth proportional to 127,417.08, 191,134.62 and 38,677.80 is: 58,019.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,417.08 : 191,134.62 = 38,677.80 : x
  2. Step 2: Convert to fraction form
    127,417.08/191,134.62 = 38,677.80/x
  3. Step 3: Cross multiply
    127,417.08x = 191,134.62 × 38,677.80
  4. Step 4: Simplify right side
    127,417.08x = 7,392,666,605.44
  5. Step 5: Solve for x
    x = 7,392,666,605.44/127,417.08
  6. Step 6: Final answer
    x = 58,019.43

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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.