Home / 185,660.15-256,209.35-100,777.14

Finding the Fourth Proportional to 185,660.15, 256,209.35 and 100,777.14

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Solution

The fourth proportional to 185,660.15, 256,209.35 and 100,777.14 is: 139,071.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,660.15 : 256,209.35 = 100,777.14 : x
  2. Step 2: Convert to fraction form
    185,660.15/256,209.35 = 100,777.14/x
  3. Step 3: Cross multiply
    185,660.15x = 256,209.35 × 100,777.14
  4. Step 4: Simplify right side
    185,660.15x = 25,820,045,030.37
  5. Step 5: Solve for x
    x = 25,820,045,030.37/185,660.15
  6. Step 6: Final answer
    x = 139,071.55

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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.