Home / 127,459.28-175,900.20-70,869.44

Finding the Fourth Proportional to 127,459.28, 175,900.20 and 70,869.44

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Solution

The fourth proportional to 127,459.28, 175,900.20 and 70,869.44 is: 97,803.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,459.28 : 175,900.20 = 70,869.44 : x
  2. Step 2: Convert to fraction form
    127,459.28/175,900.20 = 70,869.44/x
  3. Step 3: Cross multiply
    127,459.28x = 175,900.20 × 70,869.44
  4. Step 4: Simplify right side
    127,459.28x = 12,465,948,669.89
  5. Step 5: Solve for x
    x = 12,465,948,669.89/127,459.28
  6. Step 6: Final answer
    x = 97,803.38

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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.