Home / 197,333.96-272,139.14-129,326.16

Finding the Fourth Proportional to 197,333.96, 272,139.14 and 129,326.16

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Solution

The fourth proportional to 197,333.96, 272,139.14 and 129,326.16 is: 178,351.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,333.96 : 272,139.14 = 129,326.16 : x
  2. Step 2: Convert to fraction form
    197,333.96/272,139.14 = 129,326.16/x
  3. Step 3: Cross multiply
    197,333.96x = 272,139.14 × 129,326.16
  4. Step 4: Simplify right side
    197,333.96x = 35,194,709,961.90
  5. Step 5: Solve for x
    x = 35,194,709,961.90/197,333.96
  6. Step 6: Final answer
    x = 178,351.00

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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.