Home / 161,203.34-222,423.56-100,004.59

Finding the Fourth Proportional to 161,203.34, 222,423.56 and 100,004.59

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Solution

The fourth proportional to 161,203.34, 222,423.56 and 100,004.59 is: 137,983.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,203.34 : 222,423.56 = 100,004.59 : x
  2. Step 2: Convert to fraction form
    161,203.34/222,423.56 = 100,004.59/x
  3. Step 3: Cross multiply
    161,203.34x = 222,423.56 × 100,004.59
  4. Step 4: Simplify right side
    161,203.34x = 22,243,376,618.09
  5. Step 5: Solve for x
    x = 22,243,376,618.09/161,203.34
  6. Step 6: Final answer
    x = 137,983.35

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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.