Home / 120,597.14-180,904.35-31,849.76

Finding the Fourth Proportional to 120,597.14, 180,904.35 and 31,849.76

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Solution

The fourth proportional to 120,597.14, 180,904.35 and 31,849.76 is: 47,776.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,597.14 : 180,904.35 = 31,849.76 : x
  2. Step 2: Convert to fraction form
    120,597.14/180,904.35 = 31,849.76/x
  3. Step 3: Cross multiply
    120,597.14x = 180,904.35 × 31,849.76
  4. Step 4: Simplify right side
    120,597.14x = 5,761,760,130.46
  5. Step 5: Solve for x
    x = 5,761,760,130.46/120,597.14
  6. Step 6: Final answer
    x = 47,776.92

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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.