Home / 243,490.28-336,230.34-153,003.04

Finding the Fourth Proportional to 243,490.28, 336,230.34 and 153,003.04

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Solution

The fourth proportional to 243,490.28, 336,230.34 and 153,003.04 is: 211,278.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,490.28 : 336,230.34 = 153,003.04 : x
  2. Step 2: Convert to fraction form
    243,490.28/336,230.34 = 153,003.04/x
  3. Step 3: Cross multiply
    243,490.28x = 336,230.34 × 153,003.04
  4. Step 4: Simplify right side
    243,490.28x = 51,444,264,160.23
  5. Step 5: Solve for x
    x = 51,444,264,160.23/243,490.28
  6. Step 6: Final answer
    x = 211,278.51

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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.