Home / 242,239.46-334,288-134,807.66

Finding the Fourth Proportional to 242,239.46, 334,288 and 134,807.66

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Solution

The fourth proportional to 242,239.46, 334,288 and 134,807.66 is: 186,033.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,239.46 : 334,288 = 134,807.66 : x
  2. Step 2: Convert to fraction form
    242,239.46/334,288 = 134,807.66/x
  3. Step 3: Cross multiply
    242,239.46x = 334,288 × 134,807.66
  4. Step 4: Simplify right side
    242,239.46x = 45,064,583,046.08
  5. Step 5: Solve for x
    x = 45,064,583,046.08/242,239.46
  6. Step 6: Final answer
    x = 186,033.20

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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.