Home / 158,598.18-218,882.67-101,290.14

Finding the Fourth Proportional to 158,598.18, 218,882.67 and 101,290.14

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Solution

The fourth proportional to 158,598.18, 218,882.67 and 101,290.14 is: 139,791.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,598.18 : 218,882.67 = 101,290.14 : x
  2. Step 2: Convert to fraction form
    158,598.18/218,882.67 = 101,290.14/x
  3. Step 3: Cross multiply
    158,598.18x = 218,882.67 × 101,290.14
  4. Step 4: Simplify right side
    158,598.18x = 22,170,656,287.87
  5. Step 5: Solve for x
    x = 22,170,656,287.87/158,598.18
  6. Step 6: Final answer
    x = 139,791.37

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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.