Home / 127,459.47-191,176.76-38,713.75

Finding the Fourth Proportional to 127,459.47, 191,176.76 and 38,713.75

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Solution

The fourth proportional to 127,459.47, 191,176.76 and 38,713.75 is: 58,066.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,459.47 : 191,176.76 = 38,713.75 : x
  2. Step 2: Convert to fraction form
    127,459.47/191,176.76 = 38,713.75/x
  3. Step 3: Cross multiply
    127,459.47x = 191,176.76 × 38,713.75
  4. Step 4: Simplify right side
    127,459.47x = 7,401,168,693.53
  5. Step 5: Solve for x
    x = 7,401,168,693.53/127,459.47
  6. Step 6: Final answer
    x = 58,066.84

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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.