Home / 153,556.98-230,368.28-53,720.43

Finding the Fourth Proportional to 153,556.98, 230,368.28 and 53,720.43

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Solution

The fourth proportional to 153,556.98, 230,368.28 and 53,720.43 is: 80,592.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,556.98 : 230,368.28 = 53,720.43 : x
  2. Step 2: Convert to fraction form
    153,556.98/230,368.28 = 53,720.43/x
  3. Step 3: Cross multiply
    153,556.98x = 230,368.28 × 53,720.43
  4. Step 4: Simplify right side
    153,556.98x = 12,375,484,173.39
  5. Step 5: Solve for x
    x = 12,375,484,173.39/153,556.98
  6. Step 6: Final answer
    x = 80,592.13

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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.