Home / 177,457.92-266,112.96-72,205.44

Finding the Fourth Proportional to 177,457.92, 266,112.96 and 72,205.44

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Solution

The fourth proportional to 177,457.92, 266,112.96 and 72,205.44 is: 108,278.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,457.92 : 266,112.96 = 72,205.44 : x
  2. Step 2: Convert to fraction form
    177,457.92/266,112.96 = 72,205.44/x
  3. Step 3: Cross multiply
    177,457.92x = 266,112.96 × 72,205.44
  4. Step 4: Simplify right side
    177,457.92x = 19,214,803,366.50
  5. Step 5: Solve for x
    x = 19,214,803,366.50/177,457.92
  6. Step 6: Final answer
    x = 108,278.08

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1.5x scale

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.