Home / 185,646.06-256,191.86-100,763.16

Finding the Fourth Proportional to 185,646.06, 256,191.86 and 100,763.16

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Solution

The fourth proportional to 185,646.06, 256,191.86 and 100,763.16 is: 139,053.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,646.06 : 256,191.86 = 100,763.16 : x
  2. Step 2: Convert to fraction form
    185,646.06/256,191.86 = 100,763.16/x
  3. Step 3: Cross multiply
    185,646.06x = 256,191.86 × 100,763.16
  4. Step 4: Simplify right side
    185,646.06x = 25,814,700,876.06
  5. Step 5: Solve for x
    x = 25,814,700,876.06/185,646.06
  6. Step 6: Final answer
    x = 139,053.32

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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.