Home / 155,376.68-233,065.14-66,572.60

Finding the Fourth Proportional to 155,376.68, 233,065.14 and 66,572.60

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Solution

The fourth proportional to 155,376.68, 233,065.14 and 66,572.60 is: 99,858.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,376.68 : 233,065.14 = 66,572.60 : x
  2. Step 2: Convert to fraction form
    155,376.68/233,065.14 = 66,572.60/x
  3. Step 3: Cross multiply
    155,376.68x = 233,065.14 × 66,572.60
  4. Step 4: Simplify right side
    155,376.68x = 15,515,752,339.16
  5. Step 5: Solve for x
    x = 15,515,752,339.16/155,376.68
  6. Step 6: Final answer
    x = 99,858.95

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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.