Home / 156,643.62-234,964.35-38,316.66

Finding the Fourth Proportional to 156,643.62, 234,964.35 and 38,316.66

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Solution

The fourth proportional to 156,643.62, 234,964.35 and 38,316.66 is: 57,474.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,643.62 : 234,964.35 = 38,316.66 : x
  2. Step 2: Convert to fraction form
    156,643.62/234,964.35 = 38,316.66/x
  3. Step 3: Cross multiply
    156,643.62x = 234,964.35 × 38,316.66
  4. Step 4: Simplify right side
    156,643.62x = 9,003,049,111.07
  5. Step 5: Solve for x
    x = 9,003,049,111.07/156,643.62
  6. Step 6: Final answer
    x = 57,474.73

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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.