Home / 148,931.20-223,857.60-146,166.40

Finding the Fourth Proportional to 148,931.20, 223,857.60 and 146,166.40

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Solution

The fourth proportional to 148,931.20, 223,857.60 and 146,166.40 is: 219,701.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,931.20 : 223,857.60 = 146,166.40 : x
  2. Step 2: Convert to fraction form
    148,931.20/223,857.60 = 146,166.40/x
  3. Step 3: Cross multiply
    148,931.20x = 223,857.60 × 146,166.40
  4. Step 4: Simplify right side
    148,931.20x = 32,720,459,504.64
  5. Step 5: Solve for x
    x = 32,720,459,504.64/148,931.20
  6. Step 6: Final answer
    x = 219,701.85

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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.