Home / 130,877.68-196,169.28-55,960.24

Finding the Fourth Proportional to 130,877.68, 196,169.28 and 55,960.24

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Solution

The fourth proportional to 130,877.68, 196,169.28 and 55,960.24 is: 83,877.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,877.68 : 196,169.28 = 55,960.24 : x
  2. Step 2: Convert to fraction form
    130,877.68/196,169.28 = 55,960.24/x
  3. Step 3: Cross multiply
    130,877.68x = 196,169.28 × 55,960.24
  4. Step 4: Simplify right side
    130,877.68x = 10,977,679,989.43
  5. Step 5: Solve for x
    x = 10,977,679,989.43/130,877.68
  6. Step 6: Final answer
    x = 83,877.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.