Home / 145,177.44-200,197.52-136,711.20

Finding the Fourth Proportional to 145,177.44, 200,197.52 and 136,711.20

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Solution

The fourth proportional to 145,177.44, 200,197.52 and 136,711.20 is: 188,522.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,177.44 : 200,197.52 = 136,711.20 : x
  2. Step 2: Convert to fraction form
    145,177.44/200,197.52 = 136,711.20/x
  3. Step 3: Cross multiply
    145,177.44x = 200,197.52 × 136,711.20
  4. Step 4: Simplify right side
    145,177.44x = 27,369,243,196.22
  5. Step 5: Solve for x
    x = 27,369,243,196.22/145,177.44
  6. Step 6: Final answer
    x = 188,522.70

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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.