Home / 134,647.60-185,805.23-74,214.92

Finding the Fourth Proportional to 134,647.60, 185,805.23 and 74,214.92

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Solution

The fourth proportional to 134,647.60, 185,805.23 and 74,214.92 is: 102,411.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,647.60 : 185,805.23 = 74,214.92 : x
  2. Step 2: Convert to fraction form
    134,647.60/185,805.23 = 74,214.92/x
  3. Step 3: Cross multiply
    134,647.60x = 185,805.23 × 74,214.92
  4. Step 4: Simplify right side
    134,647.60x = 13,789,520,280.03
  5. Step 5: Solve for x
    x = 13,789,520,280.03/134,647.60
  6. Step 6: Final answer
    x = 102,411.93

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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.