Home / 158,738.46-238,113.18-79,809.66

Finding the Fourth Proportional to 158,738.46, 238,113.18 and 79,809.66

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Solution

The fourth proportional to 158,738.46, 238,113.18 and 79,809.66 is: 119,717.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,738.46 : 238,113.18 = 79,809.66 : x
  2. Step 2: Convert to fraction form
    158,738.46/238,113.18 = 79,809.66/x
  3. Step 3: Cross multiply
    158,738.46x = 238,113.18 × 79,809.66
  4. Step 4: Simplify right side
    158,738.46x = 19,003,731,937.32
  5. Step 5: Solve for x
    x = 19,003,731,937.32/158,738.46
  6. Step 6: Final answer
    x = 119,717.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.