Home / 125,931.20-188,851.40-41,675.80

Finding the Fourth Proportional to 125,931.20, 188,851.40 and 41,675.80

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Solution

The fourth proportional to 125,931.20, 188,851.40 and 41,675.80 is: 62,498.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,931.20 : 188,851.40 = 41,675.80 : x
  2. Step 2: Convert to fraction form
    125,931.20/188,851.40 = 41,675.80/x
  3. Step 3: Cross multiply
    125,931.20x = 188,851.40 × 41,675.80
  4. Step 4: Simplify right side
    125,931.20x = 7,870,533,176.12
  5. Step 5: Solve for x
    x = 7,870,533,176.12/125,931.20
  6. Step 6: Final answer
    x = 62,498.68

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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.