Home / 127,227.24-175,575.60-70,639.20

Finding the Fourth Proportional to 127,227.24, 175,575.60 and 70,639.20

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Solution

The fourth proportional to 127,227.24, 175,575.60 and 70,639.20 is: 97,483.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,227.24 : 175,575.60 = 70,639.20 : x
  2. Step 2: Convert to fraction form
    127,227.24/175,575.60 = 70,639.20/x
  3. Step 3: Cross multiply
    127,227.24x = 175,575.60 × 70,639.20
  4. Step 4: Simplify right side
    127,227.24x = 12,402,519,923.52
  5. Step 5: Solve for x
    x = 12,402,519,923.52/127,227.24
  6. Step 6: Final answer
    x = 97,483.21

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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.