Home / 234,085.63-323,003.53-142,157.11

Finding the Fourth Proportional to 234,085.63, 323,003.53 and 142,157.11

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Solution

The fourth proportional to 234,085.63, 323,003.53 and 142,157.11 is: 196,155.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,085.63 : 323,003.53 = 142,157.11 : x
  2. Step 2: Convert to fraction form
    234,085.63/323,003.53 = 142,157.11/x
  3. Step 3: Cross multiply
    234,085.63x = 323,003.53 × 142,157.11
  4. Step 4: Simplify right side
    234,085.63x = 45,917,248,720.23
  5. Step 5: Solve for x
    x = 45,917,248,720.23/234,085.63
  6. Step 6: Final answer
    x = 196,155.78

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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.