Home / 153,802.95-230,287.55-79,775.43

Finding the Fourth Proportional to 153,802.95, 230,287.55 and 79,775.43

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Solution

The fourth proportional to 153,802.95, 230,287.55 and 79,775.43 is: 119,446.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,802.95 : 230,287.55 = 79,775.43 : x
  2. Step 2: Convert to fraction form
    153,802.95/230,287.55 = 79,775.43/x
  3. Step 3: Cross multiply
    153,802.95x = 230,287.55 × 79,775.43
  4. Step 4: Simplify right side
    153,802.95x = 18,371,287,926.02
  5. Step 5: Solve for x
    x = 18,371,287,926.02/153,802.95
  6. Step 6: Final answer
    x = 119,446.92

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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.