Home / 161,029.86-242,702.19-138,808.73

Finding the Fourth Proportional to 161,029.86, 242,702.19 and 138,808.73

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Solution

The fourth proportional to 161,029.86, 242,702.19 and 138,808.73 is: 209,210.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,029.86 : 242,702.19 = 138,808.73 : x
  2. Step 2: Convert to fraction form
    161,029.86/242,702.19 = 138,808.73/x
  3. Step 3: Cross multiply
    161,029.86x = 242,702.19 × 138,808.73
  4. Step 4: Simplify right side
    161,029.86x = 33,689,181,548.61
  5. Step 5: Solve for x
    x = 33,689,181,548.61/161,029.86
  6. Step 6: Final answer
    x = 209,210.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.