Home / 174,763.90-261,627.45-115,666.30

Finding the Fourth Proportional to 174,763.90, 261,627.45 and 115,666.30

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Solution

The fourth proportional to 174,763.90, 261,627.45 and 115,666.30 is: 173,156.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,763.90 : 261,627.45 = 115,666.30 : x
  2. Step 2: Convert to fraction form
    174,763.90/261,627.45 = 115,666.30/x
  3. Step 3: Cross multiply
    174,763.90x = 261,627.45 × 115,666.30
  4. Step 4: Simplify right side
    174,763.90x = 30,261,479,119.94
  5. Step 5: Solve for x
    x = 30,261,479,119.94/174,763.90
  6. Step 6: Final answer
    x = 173,156.35

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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.