Home / 222,083.50-306,475.23-121,483.66

Finding the Fourth Proportional to 222,083.50, 306,475.23 and 121,483.66

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Solution

The fourth proportional to 222,083.50, 306,475.23 and 121,483.66 is: 167,647.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,083.50 : 306,475.23 = 121,483.66 : x
  2. Step 2: Convert to fraction form
    222,083.50/306,475.23 = 121,483.66/x
  3. Step 3: Cross multiply
    222,083.50x = 306,475.23 × 121,483.66
  4. Step 4: Simplify right side
    222,083.50x = 37,231,732,639.74
  5. Step 5: Solve for x
    x = 37,231,732,639.74/222,083.50
  6. Step 6: Final answer
    x = 167,647.45

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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.