Home / 148,527.10-222,790.65-78,543.10

Finding the Fourth Proportional to 148,527.10, 222,790.65 and 78,543.10

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Solution

The fourth proportional to 148,527.10, 222,790.65 and 78,543.10 is: 117,814.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,527.10 : 222,790.65 = 78,543.10 : x
  2. Step 2: Convert to fraction form
    148,527.10/222,790.65 = 78,543.10/x
  3. Step 3: Cross multiply
    148,527.10x = 222,790.65 × 78,543.10
  4. Step 4: Simplify right side
    148,527.10x = 17,498,668,302.02
  5. Step 5: Solve for x
    x = 17,498,668,302.02/148,527.10
  6. Step 6: Final answer
    x = 117,814.65

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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.