Home / 170,885.16-256,363.79-64,270.13

Finding the Fourth Proportional to 170,885.16, 256,363.79 and 64,270.13

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Solution

The fourth proportional to 170,885.16, 256,363.79 and 64,270.13 is: 96,418.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,885.16 : 256,363.79 = 64,270.13 : x
  2. Step 2: Convert to fraction form
    170,885.16/256,363.79 = 64,270.13/x
  3. Step 3: Cross multiply
    170,885.16x = 256,363.79 × 64,270.13
  4. Step 4: Simplify right side
    170,885.16x = 16,476,532,507.42
  5. Step 5: Solve for x
    x = 16,476,532,507.42/170,885.16
  6. Step 6: Final answer
    x = 96,418.74

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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.