Home / 242,156.43-334,168.88-134,730.18

Finding the Fourth Proportional to 242,156.43, 334,168.88 and 134,730.18

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Solution

The fourth proportional to 242,156.43, 334,168.88 and 134,730.18 is: 185,923.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,156.43 : 334,168.88 = 134,730.18 : x
  2. Step 2: Convert to fraction form
    242,156.43/334,168.88 = 134,730.18/x
  3. Step 3: Cross multiply
    242,156.43x = 334,168.88 × 134,730.18
  4. Step 4: Simplify right side
    242,156.43x = 45,022,632,679.15
  5. Step 5: Solve for x
    x = 45,022,632,679.15/242,156.43
  6. Step 6: Final answer
    x = 185,923.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.