Home / 153,521.72-230,002.02-111,297.07

Finding the Fourth Proportional to 153,521.72, 230,002.02 and 111,297.07

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Solution

The fourth proportional to 153,521.72, 230,002.02 and 111,297.07 is: 166,742.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,521.72 : 230,002.02 = 111,297.07 : x
  2. Step 2: Convert to fraction form
    153,521.72/230,002.02 = 111,297.07/x
  3. Step 3: Cross multiply
    153,521.72x = 230,002.02 × 111,297.07
  4. Step 4: Simplify right side
    153,521.72x = 25,598,550,920.08
  5. Step 5: Solve for x
    x = 25,598,550,920.08/153,521.72
  6. Step 6: Final answer
    x = 166,742.21

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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.