Home / 153,753.47-230,732.81-53,913.59

Finding the Fourth Proportional to 153,753.47, 230,732.81 and 53,913.59

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Solution

The fourth proportional to 153,753.47, 230,732.81 and 53,913.59 is: 80,906.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,753.47 : 230,732.81 = 53,913.59 : x
  2. Step 2: Convert to fraction form
    153,753.47/230,732.81 = 53,913.59/x
  3. Step 3: Cross multiply
    153,753.47x = 230,732.81 × 53,913.59
  4. Step 4: Simplify right side
    153,753.47x = 12,439,633,848.32
  5. Step 5: Solve for x
    x = 12,439,633,848.32/153,753.47
  6. Step 6: Final answer
    x = 80,906.36

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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.