Home / 125,230.12-187,869.78-46,345.03

Finding the Fourth Proportional to 125,230.12, 187,869.78 and 46,345.03

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Solution

The fourth proportional to 125,230.12, 187,869.78 and 46,345.03 is: 69,526.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,230.12 : 187,869.78 = 46,345.03 : x
  2. Step 2: Convert to fraction form
    125,230.12/187,869.78 = 46,345.03/x
  3. Step 3: Cross multiply
    125,230.12x = 187,869.78 × 46,345.03
  4. Step 4: Simplify right side
    125,230.12x = 8,706,830,120.52
  5. Step 5: Solve for x
    x = 8,706,830,120.52/125,230.12
  6. Step 6: Final answer
    x = 69,526.65

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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.