Home / 158,821.74-238,169.03-70,012.13

Finding the Fourth Proportional to 158,821.74, 238,169.03 and 70,012.13

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Solution

The fourth proportional to 158,821.74, 238,169.03 and 70,012.13 is: 104,990.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,821.74 : 238,169.03 = 70,012.13 : x
  2. Step 2: Convert to fraction form
    158,821.74/238,169.03 = 70,012.13/x
  3. Step 3: Cross multiply
    158,821.74x = 238,169.03 × 70,012.13
  4. Step 4: Simplify right side
    158,821.74x = 16,674,719,549.43
  5. Step 5: Solve for x
    x = 16,674,719,549.43/158,821.74
  6. Step 6: Final answer
    x = 104,990.16

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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.