Home / 282,939.99-424,437.72-103,074.31

Finding the Fourth Proportional to 282,939.99, 424,437.72 and 103,074.31

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Solution

The fourth proportional to 282,939.99, 424,437.72 and 103,074.31 is: 154,621.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,939.99 : 424,437.72 = 103,074.31 : x
  2. Step 2: Convert to fraction form
    282,939.99/424,437.72 = 103,074.31/x
  3. Step 3: Cross multiply
    282,939.99x = 424,437.72 × 103,074.31
  4. Step 4: Simplify right side
    282,939.99x = 43,748,625,126.97
  5. Step 5: Solve for x
    x = 43,748,625,126.97/282,939.99
  6. Step 6: Final answer
    x = 154,621.57

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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.