Home / 243,585.09-336,146.49-136,155.06

Finding the Fourth Proportional to 243,585.09, 336,146.49 and 136,155.06

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Solution

The fourth proportional to 243,585.09, 336,146.49 and 136,155.06 is: 187,893.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,585.09 : 336,146.49 = 136,155.06 : x
  2. Step 2: Convert to fraction form
    243,585.09/336,146.49 = 136,155.06/x
  3. Step 3: Cross multiply
    243,585.09x = 336,146.49 × 136,155.06
  4. Step 4: Simplify right side
    243,585.09x = 45,768,045,514.74
  5. Step 5: Solve for x
    x = 45,768,045,514.74/243,585.09
  6. Step 6: Final answer
    x = 187,893.46

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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.