Home / 161,724.70-242,587.05-91,740.70

Finding the Fourth Proportional to 161,724.70, 242,587.05 and 91,740.70

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Solution

The fourth proportional to 161,724.70, 242,587.05 and 91,740.70 is: 137,611.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,724.70 : 242,587.05 = 91,740.70 : x
  2. Step 2: Convert to fraction form
    161,724.70/242,587.05 = 91,740.70/x
  3. Step 3: Cross multiply
    161,724.70x = 242,587.05 × 91,740.70
  4. Step 4: Simplify right side
    161,724.70x = 22,255,105,777.94
  5. Step 5: Solve for x
    x = 22,255,105,777.94/161,724.70
  6. Step 6: Final answer
    x = 137,611.05

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1.5x scale

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.