Home / 156,555.06-234,537.35-121,322.49

Finding the Fourth Proportional to 156,555.06, 234,537.35 and 121,322.49

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Solution

The fourth proportional to 156,555.06, 234,537.35 and 121,322.49 is: 181,754.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,555.06 : 234,537.35 = 121,322.49 : x
  2. Step 2: Convert to fraction form
    156,555.06/234,537.35 = 121,322.49/x
  3. Step 3: Cross multiply
    156,555.06x = 234,537.35 × 121,322.49
  4. Step 4: Simplify right side
    156,555.06x = 28,454,654,693.39
  5. Step 5: Solve for x
    x = 28,454,654,693.39/156,555.06
  6. Step 6: Final answer
    x = 181,754.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.