Home / 127,225.92-175,572.16-70,637.44

Finding the Fourth Proportional to 127,225.92, 175,572.16 and 70,637.44

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Solution

The fourth proportional to 127,225.92, 175,572.16 and 70,637.44 is: 97,479.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,225.92 : 175,572.16 = 70,637.44 : x
  2. Step 2: Convert to fraction form
    127,225.92/175,572.16 = 70,637.44/x
  3. Step 3: Cross multiply
    127,225.92x = 175,572.16 × 70,637.44
  4. Step 4: Simplify right side
    127,225.92x = 12,401,967,917.67
  5. Step 5: Solve for x
    x = 12,401,967,917.67/127,225.92
  6. Step 6: Final answer
    x = 97,479.88

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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.