Home / 127,666.12-191,527.56-38,926.48

Finding the Fourth Proportional to 127,666.12, 191,527.56 and 38,926.48

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Solution

The fourth proportional to 127,666.12, 191,527.56 and 38,926.48 is: 58,398.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,666.12 : 191,527.56 = 38,926.48 : x
  2. Step 2: Convert to fraction form
    127,666.12/191,527.56 = 38,926.48/x
  3. Step 3: Cross multiply
    127,666.12x = 191,527.56 × 38,926.48
  4. Step 4: Simplify right side
    127,666.12x = 7,455,493,733.79
  5. Step 5: Solve for x
    x = 7,455,493,733.79/127,666.12
  6. Step 6: Final answer
    x = 58,398.37

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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.