Home / 152,376.82-210,281.55-91,935.78

Finding the Fourth Proportional to 152,376.82, 210,281.55 and 91,935.78

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Solution

The fourth proportional to 152,376.82, 210,281.55 and 91,935.78 is: 126,872.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,376.82 : 210,281.55 = 91,935.78 : x
  2. Step 2: Convert to fraction form
    152,376.82/210,281.55 = 91,935.78/x
  3. Step 3: Cross multiply
    152,376.82x = 210,281.55 × 91,935.78
  4. Step 4: Simplify right side
    152,376.82x = 19,332,398,318.86
  5. Step 5: Solve for x
    x = 19,332,398,318.86/152,376.82
  6. Step 6: Final answer
    x = 126,872.30

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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.