Home / 169,422.70-233,799.78-93,971.20

Finding the Fourth Proportional to 169,422.70, 233,799.78 and 93,971.20

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Solution

The fourth proportional to 169,422.70, 233,799.78 and 93,971.20 is: 129,678.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,422.70 : 233,799.78 = 93,971.20 : x
  2. Step 2: Convert to fraction form
    169,422.70/233,799.78 = 93,971.20/x
  3. Step 3: Cross multiply
    169,422.70x = 233,799.78 × 93,971.20
  4. Step 4: Simplify right side
    169,422.70x = 21,970,445,886.34
  5. Step 5: Solve for x
    x = 21,970,445,886.34/169,422.70
  6. Step 6: Final answer
    x = 129,678.29

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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.