Home / 546,480.02-819,719.28-147,121.22

Finding the Fourth Proportional to 546,480.02, 819,719.28 and 147,121.22

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Solution

The fourth proportional to 546,480.02, 819,719.28 and 147,121.22 is: 220,681.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,480.02 : 819,719.28 = 147,121.22 : x
  2. Step 2: Convert to fraction form
    546,480.02/819,719.28 = 147,121.22/x
  3. Step 3: Cross multiply
    546,480.02x = 819,719.28 × 147,121.22
  4. Step 4: Simplify right side
    546,480.02x = 120,598,102,580.42
  5. Step 5: Solve for x
    x = 120,598,102,580.42/546,480.02
  6. Step 6: Final answer
    x = 220,681.63

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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.