Home / 170,899.64-256,349.48-111,785.04

Finding the Fourth Proportional to 170,899.64, 256,349.48 and 111,785.04

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Solution

The fourth proportional to 170,899.64, 256,349.48 and 111,785.04 is: 167,677.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,899.64 : 256,349.48 = 111,785.04 : x
  2. Step 2: Convert to fraction form
    170,899.64/256,349.48 = 111,785.04/x
  3. Step 3: Cross multiply
    170,899.64x = 256,349.48 × 111,785.04
  4. Step 4: Simplify right side
    170,899.64x = 28,656,036,875.78
  5. Step 5: Solve for x
    x = 28,656,036,875.78/170,899.64
  6. Step 6: Final answer
    x = 167,677.57

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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.