Home / 115,645.70-159,597.17-70,316.18

Finding the Fourth Proportional to 115,645.70, 159,597.17 and 70,316.18

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Solution

The fourth proportional to 115,645.70, 159,597.17 and 70,316.18 is: 97,040.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,645.70 : 159,597.17 = 70,316.18 : x
  2. Step 2: Convert to fraction form
    115,645.70/159,597.17 = 70,316.18/x
  3. Step 3: Cross multiply
    115,645.70x = 159,597.17 × 70,316.18
  4. Step 4: Simplify right side
    115,645.70x = 11,222,262,183.64
  5. Step 5: Solve for x
    x = 11,222,262,183.64/115,645.70
  6. Step 6: Final answer
    x = 97,040.03

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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.