Home / 170,836.80-256,364.55-99,759.30

Finding the Fourth Proportional to 170,836.80, 256,364.55 and 99,759.30

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Solution

The fourth proportional to 170,836.80, 256,364.55 and 99,759.30 is: 149,702.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,836.80 : 256,364.55 = 99,759.30 : x
  2. Step 2: Convert to fraction form
    170,836.80/256,364.55 = 99,759.30/x
  3. Step 3: Cross multiply
    170,836.80x = 256,364.55 × 99,759.30
  4. Step 4: Simplify right side
    170,836.80x = 25,574,748,052.82
  5. Step 5: Solve for x
    x = 25,574,748,052.82/170,836.80
  6. Step 6: Final answer
    x = 149,702.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.