Home / 243,743.77-336,322.83-136,314.55

Finding the Fourth Proportional to 243,743.77, 336,322.83 and 136,314.55

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Solution

The fourth proportional to 243,743.77, 336,322.83 and 136,314.55 is: 188,089.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,743.77 : 336,322.83 = 136,314.55 : x
  2. Step 2: Convert to fraction form
    243,743.77/336,322.83 = 136,314.55/x
  3. Step 3: Cross multiply
    243,743.77x = 336,322.83 × 136,314.55
  4. Step 4: Simplify right side
    243,743.77x = 45,845,695,226.18
  5. Step 5: Solve for x
    x = 45,845,695,226.18/243,743.77
  6. Step 6: Final answer
    x = 188,089.71

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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.