Home / 127,036.40-175,310.19-70,447.77

Finding the Fourth Proportional to 127,036.40, 175,310.19 and 70,447.77

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Solution

The fourth proportional to 127,036.40, 175,310.19 and 70,447.77 is: 97,217.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,036.40 : 175,310.19 = 70,447.77 : x
  2. Step 2: Convert to fraction form
    127,036.40/175,310.19 = 70,447.77/x
  3. Step 3: Cross multiply
    127,036.40x = 175,310.19 × 70,447.77
  4. Step 4: Simplify right side
    127,036.40x = 12,350,211,943.78
  5. Step 5: Solve for x
    x = 12,350,211,943.78/127,036.40
  6. Step 6: Final answer
    x = 97,217.90

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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.