Home / 99,368.60-148,937.70-40,165.40

Finding the Fourth Proportional to 99,368.60, 148,937.70 and 40,165.40

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Solution

The fourth proportional to 99,368.60, 148,937.70 and 40,165.40 is: 60,201.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,368.60 : 148,937.70 = 40,165.40 : x
  2. Step 2: Convert to fraction form
    99,368.60/148,937.70 = 40,165.40/x
  3. Step 3: Cross multiply
    99,368.60x = 148,937.70 × 40,165.40
  4. Step 4: Simplify right side
    99,368.60x = 5,982,142,295.58
  5. Step 5: Solve for x
    x = 5,982,142,295.58/99,368.60
  6. Step 6: Final answer
    x = 60,201.54

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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.