Home / 269,399.68-371,698.64-153,111.52

Finding the Fourth Proportional to 269,399.68, 371,698.64 and 153,111.52

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Solution

The fourth proportional to 269,399.68, 371,698.64 and 153,111.52 is: 211,252.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,399.68 : 371,698.64 = 153,111.52 : x
  2. Step 2: Convert to fraction form
    269,399.68/371,698.64 = 153,111.52/x
  3. Step 3: Cross multiply
    269,399.68x = 371,698.64 × 153,111.52
  4. Step 4: Simplify right side
    269,399.68x = 56,911,343,752.33
  5. Step 5: Solve for x
    x = 56,911,343,752.33/269,399.68
  6. Step 6: Final answer
    x = 211,252.45

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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.