Home / 118,125.80-163,007.61-64,410.38

Finding the Fourth Proportional to 118,125.80, 163,007.61 and 64,410.38

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Solution

The fourth proportional to 118,125.80, 163,007.61 and 64,410.38 is: 88,883.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,125.80 : 163,007.61 = 64,410.38 : x
  2. Step 2: Convert to fraction form
    118,125.80/163,007.61 = 64,410.38/x
  3. Step 3: Cross multiply
    118,125.80x = 163,007.61 × 64,410.38
  4. Step 4: Simplify right side
    118,125.80x = 10,499,382,102.99
  5. Step 5: Solve for x
    x = 10,499,382,102.99/118,125.80
  6. Step 6: Final answer
    x = 88,883.06

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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.