Home / 193,981.32-290,565.90-156,328.20

Finding the Fourth Proportional to 193,981.32, 290,565.90 and 156,328.20

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Solution

The fourth proportional to 193,981.32, 290,565.90 and 156,328.20 is: 234,165.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,981.32 : 290,565.90 = 156,328.20 : x
  2. Step 2: Convert to fraction form
    193,981.32/290,565.90 = 156,328.20/x
  3. Step 3: Cross multiply
    193,981.32x = 290,565.90 × 156,328.20
  4. Step 4: Simplify right side
    193,981.32x = 45,423,644,128.38
  5. Step 5: Solve for x
    x = 45,423,644,128.38/193,981.32
  6. Step 6: Final answer
    x = 234,165.04

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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.