Home / 156,999.06-216,654.18-89,022.54

Finding the Fourth Proportional to 156,999.06, 216,654.18 and 89,022.54

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Solution

The fourth proportional to 156,999.06, 216,654.18 and 89,022.54 is: 122,848.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,999.06 : 216,654.18 = 89,022.54 : x
  2. Step 2: Convert to fraction form
    156,999.06/216,654.18 = 89,022.54/x
  3. Step 3: Cross multiply
    156,999.06x = 216,654.18 × 89,022.54
  4. Step 4: Simplify right side
    156,999.06x = 19,287,105,405.22
  5. Step 5: Solve for x
    x = 19,287,105,405.22/156,999.06
  6. Step 6: Final answer
    x = 122,848.54

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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.