Home / 158,252.33-218,392.07-86,632.13

Finding the Fourth Proportional to 158,252.33, 218,392.07 and 86,632.13

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Solution

The fourth proportional to 158,252.33, 218,392.07 and 86,632.13 is: 119,554.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,252.33 : 218,392.07 = 86,632.13 : x
  2. Step 2: Convert to fraction form
    158,252.33/218,392.07 = 86,632.13/x
  3. Step 3: Cross multiply
    158,252.33x = 218,392.07 × 86,632.13
  4. Step 4: Simplify right side
    158,252.33x = 18,919,770,312.03
  5. Step 5: Solve for x
    x = 18,919,770,312.03/158,252.33
  6. Step 6: Final answer
    x = 119,554.45

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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.