Home / 243,624.56-336,206.58-136,202.36

Finding the Fourth Proportional to 243,624.56, 336,206.58 and 136,202.36

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Solution

The fourth proportional to 243,624.56, 336,206.58 and 136,202.36 is: 187,961.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,624.56 : 336,206.58 = 136,202.36 : x
  2. Step 2: Convert to fraction form
    243,624.56/336,206.58 = 136,202.36/x
  3. Step 3: Cross multiply
    243,624.56x = 336,206.58 × 136,202.36
  4. Step 4: Simplify right side
    243,624.56x = 45,792,129,643.53
  5. Step 5: Solve for x
    x = 45,792,129,643.53/243,624.56
  6. Step 6: Final answer
    x = 187,961.88

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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.