Home / 153,720.78-230,588.24-47,097.10

Finding the Fourth Proportional to 153,720.78, 230,588.24 and 47,097.10

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Solution

The fourth proportional to 153,720.78, 230,588.24 and 47,097.10 is: 70,647.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,720.78 : 230,588.24 = 47,097.10 : x
  2. Step 2: Convert to fraction form
    153,720.78/230,588.24 = 47,097.10/x
  3. Step 3: Cross multiply
    153,720.78x = 230,588.24 × 47,097.10
  4. Step 4: Simplify right side
    153,720.78x = 10,860,037,398.10
  5. Step 5: Solve for x
    x = 10,860,037,398.10/153,720.78
  6. Step 6: Final answer
    x = 70,647.82

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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.