Home / 197,990.04-272,961.93-157,289.22

Finding the Fourth Proportional to 197,990.04, 272,961.93 and 157,289.22

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Solution

The fourth proportional to 197,990.04, 272,961.93 and 157,289.22 is: 216,849.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,990.04 : 272,961.93 = 157,289.22 : x
  2. Step 2: Convert to fraction form
    197,990.04/272,961.93 = 157,289.22/x
  3. Step 3: Cross multiply
    197,990.04x = 272,961.93 × 157,289.22
  4. Step 4: Simplify right side
    197,990.04x = 42,933,969,059.39
  5. Step 5: Solve for x
    x = 42,933,969,059.39/197,990.04
  6. Step 6: Final answer
    x = 216,849.14

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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.