Home / 212,875.50-293,753.17-117,380.15

Finding the Fourth Proportional to 212,875.50, 293,753.17 and 117,380.15

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Solution

The fourth proportional to 212,875.50, 293,753.17 and 117,380.15 is: 161,976.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,875.50 : 293,753.17 = 117,380.15 : x
  2. Step 2: Convert to fraction form
    212,875.50/293,753.17 = 117,380.15/x
  3. Step 3: Cross multiply
    212,875.50x = 293,753.17 × 117,380.15
  4. Step 4: Simplify right side
    212,875.50x = 34,480,791,157.58
  5. Step 5: Solve for x
    x = 34,480,791,157.58/212,875.50
  6. Step 6: Final answer
    x = 161,976.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.