Home / 212,641.93-293,458.17-121,997.13

Finding the Fourth Proportional to 212,641.93, 293,458.17 and 121,997.13

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Solution

The fourth proportional to 212,641.93, 293,458.17 and 121,997.13 is: 168,363.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,641.93 : 293,458.17 = 121,997.13 : x
  2. Step 2: Convert to fraction form
    212,641.93/293,458.17 = 121,997.13/x
  3. Step 3: Cross multiply
    212,641.93x = 293,458.17 × 121,997.13
  4. Step 4: Simplify right side
    212,641.93x = 35,801,054,515.05
  5. Step 5: Solve for x
    x = 35,801,054,515.05/212,641.93
  6. Step 6: Final answer
    x = 168,363.10

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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.