Home / 185,010.47-255,315.23-100,127.53

Finding the Fourth Proportional to 185,010.47, 255,315.23 and 100,127.53

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Solution

The fourth proportional to 185,010.47, 255,315.23 and 100,127.53 is: 138,176.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,010.47 : 255,315.23 = 100,127.53 : x
  2. Step 2: Convert to fraction form
    185,010.47/255,315.23 = 100,127.53/x
  3. Step 3: Cross multiply
    185,010.47x = 255,315.23 × 100,127.53
  4. Step 4: Simplify right side
    185,010.47x = 25,564,083,351.28
  5. Step 5: Solve for x
    x = 25,564,083,351.28/185,010.47
  6. Step 6: Final answer
    x = 138,176.41

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1.5x scale

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.