Home / 212,424.28-293,111.18-121,763.56

Finding the Fourth Proportional to 212,424.28, 293,111.18 and 121,763.56

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Solution

The fourth proportional to 212,424.28, 293,111.18 and 121,763.56 is: 168,014.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,424.28 : 293,111.18 = 121,763.56 : x
  2. Step 2: Convert to fraction form
    212,424.28/293,111.18 = 121,763.56/x
  3. Step 3: Cross multiply
    212,424.28x = 293,111.18 × 121,763.56
  4. Step 4: Simplify right side
    212,424.28x = 35,690,260,752.60
  5. Step 5: Solve for x
    x = 35,690,260,752.60/212,424.28
  6. Step 6: Final answer
    x = 168,014.04

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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.