Home / 243,514.15-336,048.55-136,084.15

Finding the Fourth Proportional to 243,514.15, 336,048.55 and 136,084.15

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Solution

The fourth proportional to 243,514.15, 336,048.55 and 136,084.15 is: 187,795.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,514.15 : 336,048.55 = 136,084.15 : x
  2. Step 2: Convert to fraction form
    243,514.15/336,048.55 = 136,084.15/x
  3. Step 3: Cross multiply
    243,514.15x = 336,048.55 × 136,084.15
  4. Step 4: Simplify right side
    243,514.15x = 45,730,881,285.48
  5. Step 5: Solve for x
    x = 45,730,881,285.48/243,514.15
  6. Step 6: Final answer
    x = 187,795.58

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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.