Home / 342,834.56-473,075.65-189,868.75

Finding the Fourth Proportional to 342,834.56, 473,075.65 and 189,868.75

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Solution

The fourth proportional to 342,834.56, 473,075.65 and 189,868.75 is: 261,998.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,834.56 : 473,075.65 = 189,868.75 : x
  2. Step 2: Convert to fraction form
    342,834.56/473,075.65 = 189,868.75/x
  3. Step 3: Cross multiply
    342,834.56x = 473,075.65 × 189,868.75
  4. Step 4: Simplify right side
    342,834.56x = 89,822,282,320.94
  5. Step 5: Solve for x
    x = 89,822,282,320.94/342,834.56
  6. Step 6: Final answer
    x = 261,998.91

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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.