Home / 114,242.40-171,393.17-66,897.50

Finding the Fourth Proportional to 114,242.40, 171,393.17 and 66,897.50

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Solution

The fourth proportional to 114,242.40, 171,393.17 and 66,897.50 is: 100,363.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,242.40 : 171,393.17 = 66,897.50 : x
  2. Step 2: Convert to fraction form
    114,242.40/171,393.17 = 66,897.50/x
  3. Step 3: Cross multiply
    114,242.40x = 171,393.17 × 66,897.50
  4. Step 4: Simplify right side
    114,242.40x = 11,465,773,398.62
  5. Step 5: Solve for x
    x = 11,465,773,398.62/114,242.40
  6. Step 6: Final answer
    x = 100,363.56

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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.