Home / 182,398.57-251,637.67-121,873.34

Finding the Fourth Proportional to 182,398.57, 251,637.67 and 121,873.34

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Solution

The fourth proportional to 182,398.57, 251,637.67 and 121,873.34 is: 168,136.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,398.57 : 251,637.67 = 121,873.34 : x
  2. Step 2: Convert to fraction form
    182,398.57/251,637.67 = 121,873.34/x
  3. Step 3: Cross multiply
    182,398.57x = 251,637.67 × 121,873.34
  4. Step 4: Simplify right side
    182,398.57x = 30,667,924,094.15
  5. Step 5: Solve for x
    x = 30,667,924,094.15/182,398.57
  6. Step 6: Final answer
    x = 168,136.87

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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.