Home / 197,117.15-272,031.73-120,612.24

Finding the Fourth Proportional to 197,117.15, 272,031.73 and 120,612.24

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Solution

The fourth proportional to 197,117.15, 272,031.73 and 120,612.24 is: 166,451.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,117.15 : 272,031.73 = 120,612.24 : x
  2. Step 2: Convert to fraction form
    197,117.15/272,031.73 = 120,612.24/x
  3. Step 3: Cross multiply
    197,117.15x = 272,031.73 × 120,612.24
  4. Step 4: Simplify right side
    197,117.15x = 32,810,356,306.38
  5. Step 5: Solve for x
    x = 32,810,356,306.38/197,117.15
  6. Step 6: Final answer
    x = 166,451.05

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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.