Home / 243,587.69-336,157.10-136,175.61

Finding the Fourth Proportional to 243,587.69, 336,157.10 and 136,175.61

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Solution

The fourth proportional to 243,587.69, 336,157.10 and 136,175.61 is: 187,925.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,587.69 : 336,157.10 = 136,175.61 : x
  2. Step 2: Convert to fraction form
    243,587.69/336,157.10 = 136,175.61/x
  3. Step 3: Cross multiply
    243,587.69x = 336,157.10 × 136,175.61
  4. Step 4: Simplify right side
    243,587.69x = 45,776,398,148.33
  5. Step 5: Solve for x
    x = 45,776,398,148.33/243,587.69
  6. Step 6: Final answer
    x = 187,925.75

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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.