Home / 115,400.32-173,106.78-36,508.68

Finding the Fourth Proportional to 115,400.32, 173,106.78 and 36,508.68

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Solution

The fourth proportional to 115,400.32, 173,106.78 and 36,508.68 is: 54,765.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,400.32 : 173,106.78 = 36,508.68 : x
  2. Step 2: Convert to fraction form
    115,400.32/173,106.78 = 36,508.68/x
  3. Step 3: Cross multiply
    115,400.32x = 173,106.78 × 36,508.68
  4. Step 4: Simplify right side
    115,400.32x = 6,319,900,036.85
  5. Step 5: Solve for x
    x = 6,319,900,036.85/115,400.32
  6. Step 6: Final answer
    x = 54,765.01

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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.