Home / 243,486.12-336,010.11-136,056.26

Finding the Fourth Proportional to 243,486.12, 336,010.11 and 136,056.26

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Solution

The fourth proportional to 243,486.12, 336,010.11 and 136,056.26 is: 187,757.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,486.12 : 336,010.11 = 136,056.26 : x
  2. Step 2: Convert to fraction form
    243,486.12/336,010.11 = 136,056.26/x
  3. Step 3: Cross multiply
    243,486.12x = 336,010.11 × 136,056.26
  4. Step 4: Simplify right side
    243,486.12x = 45,716,277,208.74
  5. Step 5: Solve for x
    x = 45,716,277,208.74/243,486.12
  6. Step 6: Final answer
    x = 187,757.22

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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.