Home / 125,619.40-188,429.10-46,717.30

Finding the Fourth Proportional to 125,619.40, 188,429.10 and 46,717.30

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Solution

The fourth proportional to 125,619.40, 188,429.10 and 46,717.30 is: 70,075.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,619.40 : 188,429.10 = 46,717.30 : x
  2. Step 2: Convert to fraction form
    125,619.40/188,429.10 = 46,717.30/x
  3. Step 3: Cross multiply
    125,619.40x = 188,429.10 × 46,717.30
  4. Step 4: Simplify right side
    125,619.40x = 8,802,898,793.43
  5. Step 5: Solve for x
    x = 8,802,898,793.43/125,619.40
  6. Step 6: Final answer
    x = 70,075.95

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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.