Home / 163,543.20-225,683.70-91,927.14

Finding the Fourth Proportional to 163,543.20, 225,683.70 and 91,927.14

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Solution

The fourth proportional to 163,543.20, 225,683.70 and 91,927.14 is: 126,856.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,543.20 : 225,683.70 = 91,927.14 : x
  2. Step 2: Convert to fraction form
    163,543.20/225,683.70 = 91,927.14/x
  3. Step 3: Cross multiply
    163,543.20x = 225,683.70 × 91,927.14
  4. Step 4: Simplify right side
    163,543.20x = 20,746,457,085.62
  5. Step 5: Solve for x
    x = 20,746,457,085.62/163,543.20
  6. Step 6: Final answer
    x = 126,856.13

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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.