Home / 127,338.22-175,723.59-70,749.73

Finding the Fourth Proportional to 127,338.22, 175,723.59 and 70,749.73

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Solution

The fourth proportional to 127,338.22, 175,723.59 and 70,749.73 is: 97,632.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,338.22 : 175,723.59 = 70,749.73 : x
  2. Step 2: Convert to fraction form
    127,338.22/175,723.59 = 70,749.73/x
  3. Step 3: Cross multiply
    127,338.22x = 175,723.59 × 70,749.73
  4. Step 4: Simplify right side
    127,338.22x = 12,432,396,547.13
  5. Step 5: Solve for x
    x = 12,432,396,547.13/127,338.22
  6. Step 6: Final answer
    x = 97,632.88

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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.