Home / 178,565.49-267,848.24-139,152.11

Finding the Fourth Proportional to 178,565.49, 267,848.24 and 139,152.11

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Solution

The fourth proportional to 178,565.49, 267,848.24 and 139,152.11 is: 208,728.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,565.49 : 267,848.24 = 139,152.11 : x
  2. Step 2: Convert to fraction form
    178,565.49/267,848.24 = 139,152.11/x
  3. Step 3: Cross multiply
    178,565.49x = 267,848.24 × 139,152.11
  4. Step 4: Simplify right side
    178,565.49x = 37,271,645,720.78
  5. Step 5: Solve for x
    x = 37,271,645,720.78/178,565.49
  6. Step 6: Final answer
    x = 208,728.16

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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.