Home / 171,471.20-236,575.32-111,088.40

Finding the Fourth Proportional to 171,471.20, 236,575.32 and 111,088.40

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Solution

The fourth proportional to 171,471.20, 236,575.32 and 111,088.40 is: 153,266.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,471.20 : 236,575.32 = 111,088.40 : x
  2. Step 2: Convert to fraction form
    171,471.20/236,575.32 = 111,088.40/x
  3. Step 3: Cross multiply
    171,471.20x = 236,575.32 × 111,088.40
  4. Step 4: Simplify right side
    171,471.20x = 26,280,773,778.29
  5. Step 5: Solve for x
    x = 26,280,773,778.29/171,471.20
  6. Step 6: Final answer
    x = 153,266.40

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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.