Home / 193,517.40-290,276.10-146,278.20

Finding the Fourth Proportional to 193,517.40, 290,276.10 and 146,278.20

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Solution

The fourth proportional to 193,517.40, 290,276.10 and 146,278.20 is: 219,417.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,517.40 : 290,276.10 = 146,278.20 : x
  2. Step 2: Convert to fraction form
    193,517.40/290,276.10 = 146,278.20/x
  3. Step 3: Cross multiply
    193,517.40x = 290,276.10 × 146,278.20
  4. Step 4: Simplify right side
    193,517.40x = 42,461,065,411.02
  5. Step 5: Solve for x
    x = 42,461,065,411.02/193,517.40
  6. Step 6: Final answer
    x = 219,417.30

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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.