Home / 153,146.80-229,720.20-110,828.35

Finding the Fourth Proportional to 153,146.80, 229,720.20 and 110,828.35

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Solution

The fourth proportional to 153,146.80, 229,720.20 and 110,828.35 is: 166,242.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,146.80 : 229,720.20 = 110,828.35 : x
  2. Step 2: Convert to fraction form
    153,146.80/229,720.20 = 110,828.35/x
  3. Step 3: Cross multiply
    153,146.80x = 229,720.20 × 110,828.35
  4. Step 4: Simplify right side
    153,146.80x = 25,459,510,727.67
  5. Step 5: Solve for x
    x = 25,459,510,727.67/153,146.80
  6. Step 6: Final answer
    x = 166,242.53

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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.