Home / 127,741.60-176,283.45-74,057.74

Finding the Fourth Proportional to 127,741.60, 176,283.45 and 74,057.74

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Solution

The fourth proportional to 127,741.60, 176,283.45 and 74,057.74 is: 102,199.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,741.60 : 176,283.45 = 74,057.74 : x
  2. Step 2: Convert to fraction form
    127,741.60/176,283.45 = 74,057.74/x
  3. Step 3: Cross multiply
    127,741.60x = 176,283.45 × 74,057.74
  4. Step 4: Simplify right side
    127,741.60x = 13,055,153,906.40
  5. Step 5: Solve for x
    x = 13,055,153,906.40/127,741.60
  6. Step 6: Final answer
    x = 102,199.71

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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.