Home / 185,176.09-255,543.02-100,293.16

Finding the Fourth Proportional to 185,176.09, 255,543.02 and 100,293.16

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Solution

The fourth proportional to 185,176.09, 255,543.02 and 100,293.16 is: 138,404.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,176.09 : 255,543.02 = 100,293.16 : x
  2. Step 2: Convert to fraction form
    185,176.09/255,543.02 = 100,293.16/x
  3. Step 3: Cross multiply
    185,176.09x = 255,543.02 × 100,293.16
  4. Step 4: Simplify right side
    185,176.09x = 25,629,216,991.74
  5. Step 5: Solve for x
    x = 25,629,216,991.74/185,176.09
  6. Step 6: Final answer
    x = 138,404.57

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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.