Home / 243,521.15-336,066.41-136,091.48

Finding the Fourth Proportional to 243,521.15, 336,066.41 and 136,091.48

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Solution

The fourth proportional to 243,521.15, 336,066.41 and 136,091.48 is: 187,810.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,521.15 : 336,066.41 = 136,091.48 : x
  2. Step 2: Convert to fraction form
    243,521.15/336,066.41 = 136,091.48/x
  3. Step 3: Cross multiply
    243,521.15x = 336,066.41 × 136,091.48
  4. Step 4: Simplify right side
    243,521.15x = 45,735,774,434.73
  5. Step 5: Solve for x
    x = 45,735,774,434.73/243,521.15
  6. Step 6: Final answer
    x = 187,810.28

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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.