Home / 125,399.08-188,131.02-46,535.80

Finding the Fourth Proportional to 125,399.08, 188,131.02 and 46,535.80

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Solution

The fourth proportional to 125,399.08, 188,131.02 and 46,535.80 is: 69,815.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,399.08 : 188,131.02 = 46,535.80 : x
  2. Step 2: Convert to fraction form
    125,399.08/188,131.02 = 46,535.80/x
  3. Step 3: Cross multiply
    125,399.08x = 188,131.02 × 46,535.80
  4. Step 4: Simplify right side
    125,399.08x = 8,754,827,520.52
  5. Step 5: Solve for x
    x = 8,754,827,520.52/125,399.08
  6. Step 6: Final answer
    x = 69,815.72

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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.