Home / 171,520.26-236,618.55-111,110.82

Finding the Fourth Proportional to 171,520.26, 236,618.55 and 111,110.82

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Solution

The fourth proportional to 171,520.26, 236,618.55 and 111,110.82 is: 153,281.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,520.26 : 236,618.55 = 111,110.82 : x
  2. Step 2: Convert to fraction form
    171,520.26/236,618.55 = 111,110.82/x
  3. Step 3: Cross multiply
    171,520.26x = 236,618.55 × 111,110.82
  4. Step 4: Simplify right side
    171,520.26x = 26,290,881,117.71
  5. Step 5: Solve for x
    x = 26,290,881,117.71/171,520.26
  6. Step 6: Final answer
    x = 153,281.49

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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.