Home / 156,148.56-234,106.20-84,881.52

Finding the Fourth Proportional to 156,148.56, 234,106.20 and 84,881.52

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Solution

The fourth proportional to 156,148.56, 234,106.20 and 84,881.52 is: 127,258.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,148.56 : 234,106.20 = 84,881.52 : x
  2. Step 2: Convert to fraction form
    156,148.56/234,106.20 = 84,881.52/x
  3. Step 3: Cross multiply
    156,148.56x = 234,106.20 × 84,881.52
  4. Step 4: Simplify right side
    156,148.56x = 19,871,290,097.42
  5. Step 5: Solve for x
    x = 19,871,290,097.42/156,148.56
  6. Step 6: Final answer
    x = 127,258.88

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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.