Home / 197,343.07-272,457.95-136,892.56

Finding the Fourth Proportional to 197,343.07, 272,457.95 and 136,892.56

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Solution

The fourth proportional to 197,343.07, 272,457.95 and 136,892.56 is: 188,998.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,343.07 : 272,457.95 = 136,892.56 : x
  2. Step 2: Convert to fraction form
    197,343.07/272,457.95 = 136,892.56/x
  3. Step 3: Cross multiply
    197,343.07x = 272,457.95 × 136,892.56
  4. Step 4: Simplify right side
    197,343.07x = 37,297,466,267.85
  5. Step 5: Solve for x
    x = 37,297,466,267.85/197,343.07
  6. Step 6: Final answer
    x = 188,998.11

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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.