Home / 127,001.12-175,260.72-70,412.48

Finding the Fourth Proportional to 127,001.12, 175,260.72 and 70,412.48

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Solution

The fourth proportional to 127,001.12, 175,260.72 and 70,412.48 is: 97,168.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,001.12 : 175,260.72 = 70,412.48 : x
  2. Step 2: Convert to fraction form
    127,001.12/175,260.72 = 70,412.48/x
  3. Step 3: Cross multiply
    127,001.12x = 175,260.72 × 70,412.48
  4. Step 4: Simplify right side
    127,001.12x = 12,340,541,941.79
  5. Step 5: Solve for x
    x = 12,340,541,941.79/127,001.12
  6. Step 6: Final answer
    x = 97,168.76

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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.