Home / 243,577.73-336,130.32-134,680.20

Finding the Fourth Proportional to 243,577.73, 336,130.32 and 134,680.20

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Solution

The fourth proportional to 243,577.73, 336,130.32 and 134,680.20 is: 185,854.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,577.73 : 336,130.32 = 134,680.20 : x
  2. Step 2: Convert to fraction form
    243,577.73/336,130.32 = 134,680.20/x
  3. Step 3: Cross multiply
    243,577.73x = 336,130.32 × 134,680.20
  4. Step 4: Simplify right side
    243,577.73x = 45,270,097,463.18
  5. Step 5: Solve for x
    x = 45,270,097,463.18/243,577.73
  6. Step 6: Final answer
    x = 185,854.83

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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.