Home / 155,618.38-233,458.18-55,751.68

Finding the Fourth Proportional to 155,618.38, 233,458.18 and 55,751.68

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Solution

The fourth proportional to 155,618.38, 233,458.18 and 55,751.68 is: 83,638.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,618.38 : 233,458.18 = 55,751.68 : x
  2. Step 2: Convert to fraction form
    155,618.38/233,458.18 = 55,751.68/x
  3. Step 3: Cross multiply
    155,618.38x = 233,458.18 × 55,751.68
  4. Step 4: Simplify right side
    155,618.38x = 13,015,685,744.74
  5. Step 5: Solve for x
    x = 13,015,685,744.74/155,618.38
  6. Step 6: Final answer
    x = 83,638.49

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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.