Home / 120,206.95-180,151.16-63,925.88

Finding the Fourth Proportional to 120,206.95, 180,151.16 and 63,925.88

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Solution

The fourth proportional to 120,206.95, 180,151.16 and 63,925.88 is: 95,804.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,206.95 : 180,151.16 = 63,925.88 : x
  2. Step 2: Convert to fraction form
    120,206.95/180,151.16 = 63,925.88/x
  3. Step 3: Cross multiply
    120,206.95x = 180,151.16 × 63,925.88
  4. Step 4: Simplify right side
    120,206.95x = 11,516,320,215.64
  5. Step 5: Solve for x
    x = 11,516,320,215.64/120,206.95
  6. Step 6: Final answer
    x = 95,804.11

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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.