Home / 210,236.15-290,081.49-133,727.39

Finding the Fourth Proportional to 210,236.15, 290,081.49 and 133,727.39

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Solution

The fourth proportional to 210,236.15, 290,081.49 and 133,727.39 is: 184,515.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,236.15 : 290,081.49 = 133,727.39 : x
  2. Step 2: Convert to fraction form
    210,236.15/290,081.49 = 133,727.39/x
  3. Step 3: Cross multiply
    210,236.15x = 290,081.49 × 133,727.39
  4. Step 4: Simplify right side
    210,236.15x = 38,791,840,545.01
  5. Step 5: Solve for x
    x = 38,791,840,545.01/210,236.15
  6. Step 6: Final answer
    x = 184,515.56

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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.