Home / 146,718.40-202,472-83,068.48

Finding the Fourth Proportional to 146,718.40, 202,472 and 83,068.48

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Solution

The fourth proportional to 146,718.40, 202,472 and 83,068.48 is: 114,634.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,718.40 : 202,472 = 83,068.48 : x
  2. Step 2: Convert to fraction form
    146,718.40/202,472 = 83,068.48/x
  3. Step 3: Cross multiply
    146,718.40x = 202,472 × 83,068.48
  4. Step 4: Simplify right side
    146,718.40x = 16,819,041,282.56
  5. Step 5: Solve for x
    x = 16,819,041,282.56/146,718.40
  6. Step 6: Final answer
    x = 114,634.85

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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.