Home / 115,944.13-173,689.69-79,914.18

Finding the Fourth Proportional to 115,944.13, 173,689.69 and 79,914.18

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Solution

The fourth proportional to 115,944.13, 173,689.69 and 79,914.18 is: 119,715.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,944.13 : 173,689.69 = 79,914.18 : x
  2. Step 2: Convert to fraction form
    115,944.13/173,689.69 = 79,914.18/x
  3. Step 3: Cross multiply
    115,944.13x = 173,689.69 × 79,914.18
  4. Step 4: Simplify right side
    115,944.13x = 13,880,268,775.19
  5. Step 5: Solve for x
    x = 13,880,268,775.19/115,944.13
  6. Step 6: Final answer
    x = 119,715.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.