Home / 243,806.06-336,480.28-136,403.30

Finding the Fourth Proportional to 243,806.06, 336,480.28 and 136,403.30

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Solution

The fourth proportional to 243,806.06, 336,480.28 and 136,403.30 is: 188,252.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,806.06 : 336,480.28 = 136,403.30 : x
  2. Step 2: Convert to fraction form
    243,806.06/336,480.28 = 136,403.30/x
  3. Step 3: Cross multiply
    243,806.06x = 336,480.28 × 136,403.30
  4. Step 4: Simplify right side
    243,806.06x = 45,897,020,576.92
  5. Step 5: Solve for x
    x = 45,897,020,576.92/243,806.06
  6. Step 6: Final answer
    x = 188,252.17

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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.