Home / 127,543.65-191,318.63-60,990.81

Finding the Fourth Proportional to 127,543.65, 191,318.63 and 60,990.81

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Solution

The fourth proportional to 127,543.65, 191,318.63 and 60,990.81 is: 91,487.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,543.65 : 191,318.63 = 60,990.81 : x
  2. Step 2: Convert to fraction form
    127,543.65/191,318.63 = 60,990.81/x
  3. Step 3: Cross multiply
    127,543.65x = 191,318.63 × 60,990.81
  4. Step 4: Simplify right side
    127,543.65x = 11,668,677,906.84
  5. Step 5: Solve for x
    x = 11,668,677,906.84/127,543.65
  6. Step 6: Final answer
    x = 91,487.72

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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.