Home / 127,655.01-176,160.49-71,066.39

Finding the Fourth Proportional to 127,655.01, 176,160.49 and 71,066.39

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Solution

The fourth proportional to 127,655.01, 176,160.49 and 71,066.39 is: 98,069.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,655.01 : 176,160.49 = 71,066.39 : x
  2. Step 2: Convert to fraction form
    127,655.01/176,160.49 = 71,066.39/x
  3. Step 3: Cross multiply
    127,655.01x = 176,160.49 × 71,066.39
  4. Step 4: Simplify right side
    127,655.01x = 12,519,089,026.46
  5. Step 5: Solve for x
    x = 12,519,089,026.46/127,655.01
  6. Step 6: Final answer
    x = 98,069.70

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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.