Home / 242,238.20-334,304.42-134,807.90

Finding the Fourth Proportional to 242,238.20, 334,304.42 and 134,807.90

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Solution

The fourth proportional to 242,238.20, 334,304.42 and 134,807.90 is: 186,043.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,238.20 : 334,304.42 = 134,807.90 : x
  2. Step 2: Convert to fraction form
    242,238.20/334,304.42 = 134,807.90/x
  3. Step 3: Cross multiply
    242,238.20x = 334,304.42 × 134,807.90
  4. Step 4: Simplify right side
    242,238.20x = 45,066,874,475.36
  5. Step 5: Solve for x
    x = 45,066,874,475.36/242,238.20
  6. Step 6: Final answer
    x = 186,043.64

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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.