Home / 128,926.08-193,372.56-35,439.12

Finding the Fourth Proportional to 128,926.08, 193,372.56 and 35,439.12

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Solution

The fourth proportional to 128,926.08, 193,372.56 and 35,439.12 is: 53,154.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,926.08 : 193,372.56 = 35,439.12 : x
  2. Step 2: Convert to fraction form
    128,926.08/193,372.56 = 35,439.12/x
  3. Step 3: Cross multiply
    128,926.08x = 193,372.56 × 35,439.12
  4. Step 4: Simplify right side
    128,926.08x = 6,852,953,358.55
  5. Step 5: Solve for x
    x = 6,852,953,358.55/128,926.08
  6. Step 6: Final answer
    x = 53,154.13

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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.