Home / 197,446.29-272,475.90-111,423.48

Finding the Fourth Proportional to 197,446.29, 272,475.90 and 111,423.48

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Solution

The fourth proportional to 197,446.29, 272,475.90 and 111,423.48 is: 153,764.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,446.29 : 272,475.90 = 111,423.48 : x
  2. Step 2: Convert to fraction form
    197,446.29/272,475.90 = 111,423.48/x
  3. Step 3: Cross multiply
    197,446.29x = 272,475.90 × 111,423.48
  4. Step 4: Simplify right side
    197,446.29x = 30,360,212,994.13
  5. Step 5: Solve for x
    x = 30,360,212,994.13/197,446.29
  6. Step 6: Final answer
    x = 153,764.41

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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.