Home / 161,649.10-223,076.03-93,679.17

Finding the Fourth Proportional to 161,649.10, 223,076.03 and 93,679.17

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Solution

The fourth proportional to 161,649.10, 223,076.03 and 93,679.17 is: 129,277.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,649.10 : 223,076.03 = 93,679.17 : x
  2. Step 2: Convert to fraction form
    161,649.10/223,076.03 = 93,679.17/x
  3. Step 3: Cross multiply
    161,649.10x = 223,076.03 × 93,679.17
  4. Step 4: Simplify right side
    161,649.10x = 20,897,576,032.36
  5. Step 5: Solve for x
    x = 20,897,576,032.36/161,649.10
  6. Step 6: Final answer
    x = 129,277.40

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1.5x scale

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.