Home / 177,418.80-266,128.20-117,543.60

Finding the Fourth Proportional to 177,418.80, 266,128.20 and 117,543.60

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Solution

The fourth proportional to 177,418.80, 266,128.20 and 117,543.60 is: 176,315.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,418.80 : 266,128.20 = 117,543.60 : x
  2. Step 2: Convert to fraction form
    177,418.80/266,128.20 = 117,543.60/x
  3. Step 3: Cross multiply
    177,418.80x = 266,128.20 × 117,543.60
  4. Step 4: Simplify right side
    177,418.80x = 31,281,666,689.52
  5. Step 5: Solve for x
    x = 31,281,666,689.52/177,418.80
  6. Step 6: Final answer
    x = 176,315.40

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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.