Home / 177,635.55-266,323.73-72,400.35

Finding the Fourth Proportional to 177,635.55, 266,323.73 and 72,400.35

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Solution

The fourth proportional to 177,635.55, 266,323.73 and 72,400.35 is: 108,547.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,635.55 : 266,323.73 = 72,400.35 : x
  2. Step 2: Convert to fraction form
    177,635.55/266,323.73 = 72,400.35/x
  3. Step 3: Cross multiply
    177,635.55x = 266,323.73 × 72,400.35
  4. Step 4: Simplify right side
    177,635.55x = 19,281,930,903.30
  5. Step 5: Solve for x
    x = 19,281,930,903.30/177,635.55
  6. Step 6: Final answer
    x = 108,547.70

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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.