Home / 115,422.03-159,283.06-67,676.18

Finding the Fourth Proportional to 115,422.03, 159,283.06 and 67,676.18

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Solution

The fourth proportional to 115,422.03, 159,283.06 and 67,676.18 is: 93,393.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,422.03 : 159,283.06 = 67,676.18 : x
  2. Step 2: Convert to fraction form
    115,422.03/159,283.06 = 67,676.18/x
  3. Step 3: Cross multiply
    115,422.03x = 159,283.06 × 67,676.18
  4. Step 4: Simplify right side
    115,422.03x = 10,779,668,073.91
  5. Step 5: Solve for x
    x = 10,779,668,073.91/115,422.03
  6. Step 6: Final answer
    x = 93,393.51

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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.