Home / 197,197.50-272,132.55-112,363.77

Finding the Fourth Proportional to 197,197.50, 272,132.55 and 112,363.77

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Solution

The fourth proportional to 197,197.50, 272,132.55 and 112,363.77 is: 155,062.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,197.50 : 272,132.55 = 112,363.77 : x
  2. Step 2: Convert to fraction form
    197,197.50/272,132.55 = 112,363.77/x
  3. Step 3: Cross multiply
    197,197.50x = 272,132.55 × 112,363.77
  4. Step 4: Simplify right side
    197,197.50x = 30,577,839,257.71
  5. Step 5: Solve for x
    x = 30,577,839,257.71/197,197.50
  6. Step 6: Final answer
    x = 155,062.00

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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.