Home / 127,606.89-176,097.51-71,031.63

Finding the Fourth Proportional to 127,606.89, 176,097.51 and 71,031.63

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Solution

The fourth proportional to 127,606.89, 176,097.51 and 71,031.63 is: 98,023.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,606.89 : 176,097.51 = 71,031.63 : x
  2. Step 2: Convert to fraction form
    127,606.89/176,097.51 = 71,031.63/x
  3. Step 3: Cross multiply
    127,606.89x = 176,097.51 × 71,031.63
  4. Step 4: Simplify right side
    127,606.89x = 12,508,493,174.24
  5. Step 5: Solve for x
    x = 12,508,493,174.24/127,606.89
  6. Step 6: Final answer
    x = 98,023.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.