Home / 127,475.04-175,908.30-70,885.20

Finding the Fourth Proportional to 127,475.04, 175,908.30 and 70,885.20

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Solution

The fourth proportional to 127,475.04, 175,908.30 and 70,885.20 is: 97,817.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,475.04 : 175,908.30 = 70,885.20 : x
  2. Step 2: Convert to fraction form
    127,475.04/175,908.30 = 70,885.20/x
  3. Step 3: Cross multiply
    127,475.04x = 175,908.30 × 70,885.20
  4. Step 4: Simplify right side
    127,475.04x = 12,469,295,027.16
  5. Step 5: Solve for x
    x = 12,469,295,027.16/127,475.04
  6. Step 6: Final answer
    x = 97,817.54

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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.