Home / 170,826.94-256,152.80-99,888.18

Finding the Fourth Proportional to 170,826.94, 256,152.80 and 99,888.18

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Solution

The fourth proportional to 170,826.94, 256,152.80 and 99,888.18 is: 149,781.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,826.94 : 256,152.80 = 99,888.18 : x
  2. Step 2: Convert to fraction form
    170,826.94/256,152.80 = 99,888.18/x
  3. Step 3: Cross multiply
    170,826.94x = 256,152.80 × 99,888.18
  4. Step 4: Simplify right side
    170,826.94x = 25,586,636,494.46
  5. Step 5: Solve for x
    x = 25,586,636,494.46/170,826.94
  6. Step 6: Final answer
    x = 149,781.04

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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.