Home / 185,713.36-256,281.80-100,833.68

Finding the Fourth Proportional to 185,713.36, 256,281.80 and 100,833.68

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Solution

The fourth proportional to 185,713.36, 256,281.80 and 100,833.68 is: 139,149.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,713.36 : 256,281.80 = 100,833.68 : x
  2. Step 2: Convert to fraction form
    185,713.36/256,281.80 = 100,833.68/x
  3. Step 3: Cross multiply
    185,713.36x = 256,281.80 × 100,833.68
  4. Step 4: Simplify right side
    185,713.36x = 25,841,837,011.02
  5. Step 5: Solve for x
    x = 25,841,837,011.02/185,713.36
  6. Step 6: Final answer
    x = 139,149.05

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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.