Home / 156,507.15-234,675.75-71,071.11

Finding the Fourth Proportional to 156,507.15, 234,675.75 and 71,071.11

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Solution

The fourth proportional to 156,507.15, 234,675.75 and 71,071.11 is: 106,568.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,507.15 : 234,675.75 = 71,071.11 : x
  2. Step 2: Convert to fraction form
    156,507.15/234,675.75 = 71,071.11/x
  3. Step 3: Cross multiply
    156,507.15x = 234,675.75 × 71,071.11
  4. Step 4: Simplify right side
    156,507.15x = 16,678,666,042.58
  5. Step 5: Solve for x
    x = 16,678,666,042.58/156,507.15
  6. Step 6: Final answer
    x = 106,568.08

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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.