Home / 134,915.16-202,353.72-84,842.60

Finding the Fourth Proportional to 134,915.16, 202,353.72 and 84,842.60

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Solution

The fourth proportional to 134,915.16, 202,353.72 and 84,842.60 is: 127,251.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,915.16 : 202,353.72 = 84,842.60 : x
  2. Step 2: Convert to fraction form
    134,915.16/202,353.72 = 84,842.60/x
  3. Step 3: Cross multiply
    134,915.16x = 202,353.72 × 84,842.60
  4. Step 4: Simplify right side
    134,915.16x = 17,168,215,724.47
  5. Step 5: Solve for x
    x = 17,168,215,724.47/134,915.16
  6. Step 6: Final answer
    x = 127,251.94

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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.