Home / 144,188.23-198,988.98-80,526.02

Finding the Fourth Proportional to 144,188.23, 198,988.98 and 80,526.02

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Solution

The fourth proportional to 144,188.23, 198,988.98 and 80,526.02 is: 111,131.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,188.23 : 198,988.98 = 80,526.02 : x
  2. Step 2: Convert to fraction form
    144,188.23/198,988.98 = 80,526.02/x
  3. Step 3: Cross multiply
    144,188.23x = 198,988.98 × 80,526.02
  4. Step 4: Simplify right side
    144,188.23x = 16,023,791,191.79
  5. Step 5: Solve for x
    x = 16,023,791,191.79/144,188.23
  6. Step 6: Final answer
    x = 111,131.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.