Home / 130,369.04-179,909.24-70,753.04

Finding the Fourth Proportional to 130,369.04, 179,909.24 and 70,753.04

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Solution

The fourth proportional to 130,369.04, 179,909.24 and 70,753.04 is: 97,639.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,369.04 : 179,909.24 = 70,753.04 : x
  2. Step 2: Convert to fraction form
    130,369.04/179,909.24 = 70,753.04/x
  3. Step 3: Cross multiply
    130,369.04x = 179,909.24 × 70,753.04
  4. Step 4: Simplify right side
    130,369.04x = 12,729,125,654.09
  5. Step 5: Solve for x
    x = 12,729,125,654.09/130,369.04
  6. Step 6: Final answer
    x = 97,639.18

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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.