Home / 177,779.20-266,707.20-53,132.80

Finding the Fourth Proportional to 177,779.20, 266,707.20 and 53,132.80

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Solution

The fourth proportional to 177,779.20, 266,707.20 and 53,132.80 is: 79,710.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,779.20 : 266,707.20 = 53,132.80 : x
  2. Step 2: Convert to fraction form
    177,779.20/266,707.20 = 53,132.80/x
  3. Step 3: Cross multiply
    177,779.20x = 266,707.20 × 53,132.80
  4. Step 4: Simplify right side
    177,779.20x = 14,170,900,316.16
  5. Step 5: Solve for x
    x = 14,170,900,316.16/177,779.20
  6. Step 6: Final answer
    x = 79,710.68

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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.