Home / 153,205.48-211,399.14-92,765.80

Finding the Fourth Proportional to 153,205.48, 211,399.14 and 92,765.80

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Solution

The fourth proportional to 153,205.48, 211,399.14 and 92,765.80 is: 128,002.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,205.48 : 211,399.14 = 92,765.80 : x
  2. Step 2: Convert to fraction form
    153,205.48/211,399.14 = 92,765.80/x
  3. Step 3: Cross multiply
    153,205.48x = 211,399.14 × 92,765.80
  4. Step 4: Simplify right side
    153,205.48x = 19,610,610,341.41
  5. Step 5: Solve for x
    x = 19,610,610,341.41/153,205.48
  6. Step 6: Final answer
    x = 128,002.02

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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.