Home / 120,362.66-180,543.18-94,089.50

Finding the Fourth Proportional to 120,362.66, 180,543.18 and 94,089.50

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Solution

The fourth proportional to 120,362.66, 180,543.18 and 94,089.50 is: 141,133.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,362.66 : 180,543.18 = 94,089.50 : x
  2. Step 2: Convert to fraction form
    120,362.66/180,543.18 = 94,089.50/x
  3. Step 3: Cross multiply
    120,362.66x = 180,543.18 × 94,089.50
  4. Step 4: Simplify right side
    120,362.66x = 16,987,217,534.61
  5. Step 5: Solve for x
    x = 16,987,217,534.61/120,362.66
  6. Step 6: Final answer
    x = 141,133.62

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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.