Home / 185,759.50-256,345.84-100,877.16

Finding the Fourth Proportional to 185,759.50, 256,345.84 and 100,877.16

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Solution

The fourth proportional to 185,759.50, 256,345.84 and 100,877.16 is: 139,209.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,759.50 : 256,345.84 = 100,877.16 : x
  2. Step 2: Convert to fraction form
    185,759.50/256,345.84 = 100,877.16/x
  3. Step 3: Cross multiply
    185,759.50x = 256,345.84 × 100,877.16
  4. Step 4: Simplify right side
    185,759.50x = 25,859,440,317.01
  5. Step 5: Solve for x
    x = 25,859,440,317.01/185,759.50
  6. Step 6: Final answer
    x = 139,209.25

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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.