Home / 177,513.28-266,114.36-66,783.04

Finding the Fourth Proportional to 177,513.28, 266,114.36 and 66,783.04

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Solution

The fourth proportional to 177,513.28, 266,114.36 and 66,783.04 is: 100,116.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,513.28 : 266,114.36 = 66,783.04 : x
  2. Step 2: Convert to fraction form
    177,513.28/266,114.36 = 66,783.04/x
  3. Step 3: Cross multiply
    177,513.28x = 266,114.36 × 66,783.04
  4. Step 4: Simplify right side
    177,513.28x = 17,771,925,948.45
  5. Step 5: Solve for x
    x = 17,771,925,948.45/177,513.28
  6. Step 6: Final answer
    x = 100,116.04

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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.