Home / 178,539.46-267,810.76-45,419.86

Finding the Fourth Proportional to 178,539.46, 267,810.76 and 45,419.86

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Solution

The fourth proportional to 178,539.46, 267,810.76 and 45,419.86 is: 68,130.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,539.46 : 267,810.76 = 45,419.86 : x
  2. Step 2: Convert to fraction form
    178,539.46/267,810.76 = 45,419.86/x
  3. Step 3: Cross multiply
    178,539.46x = 267,810.76 × 45,419.86
  4. Step 4: Simplify right side
    178,539.46x = 12,163,927,617.23
  5. Step 5: Solve for x
    x = 12,163,927,617.23/178,539.46
  6. Step 6: Final answer
    x = 68,130.19

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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.