Home / 161,349.10-222,657.91-87,759.68

Finding the Fourth Proportional to 161,349.10, 222,657.91 and 87,759.68

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Solution

The fourth proportional to 161,349.10, 222,657.91 and 87,759.68 is: 121,106.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,349.10 : 222,657.91 = 87,759.68 : x
  2. Step 2: Convert to fraction form
    161,349.10/222,657.91 = 87,759.68/x
  3. Step 3: Cross multiply
    161,349.10x = 222,657.91 × 87,759.68
  4. Step 4: Simplify right side
    161,349.10x = 19,540,385,598.38
  5. Step 5: Solve for x
    x = 19,540,385,598.38/161,349.10
  6. Step 6: Final answer
    x = 121,106.26

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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.