Home / 170,785.32-235,697.22-99,187.80

Finding the Fourth Proportional to 170,785.32, 235,697.22 and 99,187.80

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Solution

The fourth proportional to 170,785.32, 235,697.22 and 99,187.80 is: 136,886.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,785.32 : 235,697.22 = 99,187.80 : x
  2. Step 2: Convert to fraction form
    170,785.32/235,697.22 = 99,187.80/x
  3. Step 3: Cross multiply
    170,785.32x = 235,697.22 × 99,187.80
  4. Step 4: Simplify right side
    170,785.32x = 23,378,288,717.92
  5. Step 5: Solve for x
    x = 23,378,288,717.92/170,785.32
  6. Step 6: Final answer
    x = 136,886.99

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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.