Home / 115,479.15-159,514.23-92,903.18

Finding the Fourth Proportional to 115,479.15, 159,514.23 and 92,903.18

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Solution

The fourth proportional to 115,479.15, 159,514.23 and 92,903.18 is: 128,329.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,479.15 : 159,514.23 = 92,903.18 : x
  2. Step 2: Convert to fraction form
    115,479.15/159,514.23 = 92,903.18/x
  3. Step 3: Cross multiply
    115,479.15x = 159,514.23 × 92,903.18
  4. Step 4: Simplify right side
    115,479.15x = 14,819,378,424.68
  5. Step 5: Solve for x
    x = 14,819,378,424.68/115,479.15
  6. Step 6: Final answer
    x = 128,329.47

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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.