Home / 197,332.96-272,137.77-129,325.16

Finding the Fourth Proportional to 197,332.96, 272,137.77 and 129,325.16

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Solution

The fourth proportional to 197,332.96, 272,137.77 and 129,325.16 is: 178,349.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,332.96 : 272,137.77 = 129,325.16 : x
  2. Step 2: Convert to fraction form
    197,332.96/272,137.77 = 129,325.16/x
  3. Step 3: Cross multiply
    197,332.96x = 272,137.77 × 129,325.16
  4. Step 4: Simplify right side
    197,332.96x = 35,194,260,647.29
  5. Step 5: Solve for x
    x = 35,194,260,647.29/197,332.96
  6. Step 6: Final answer
    x = 178,349.63

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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.