Home / 156,948.36-216,584.18-88,971.60

Finding the Fourth Proportional to 156,948.36, 216,584.18 and 88,971.60

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Solution

The fourth proportional to 156,948.36, 216,584.18 and 88,971.60 is: 122,778.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,948.36 : 216,584.18 = 88,971.60 : x
  2. Step 2: Convert to fraction form
    156,948.36/216,584.18 = 88,971.60/x
  3. Step 3: Cross multiply
    156,948.36x = 216,584.18 × 88,971.60
  4. Step 4: Simplify right side
    156,948.36x = 19,269,841,029.29
  5. Step 5: Solve for x
    x = 19,269,841,029.29/156,948.36
  6. Step 6: Final answer
    x = 122,778.22

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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.