Home / 197,626.33-272,656.18-111,574.57

Finding the Fourth Proportional to 197,626.33, 272,656.18 and 111,574.57

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Solution

The fourth proportional to 197,626.33, 272,656.18 and 111,574.57 is: 153,934.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,626.33 : 272,656.18 = 111,574.57 : x
  2. Step 2: Convert to fraction form
    197,626.33/272,656.18 = 111,574.57/x
  3. Step 3: Cross multiply
    197,626.33x = 272,656.18 × 111,574.57
  4. Step 4: Simplify right side
    197,626.33x = 30,421,496,041.34
  5. Step 5: Solve for x
    x = 30,421,496,041.34/197,626.33
  6. Step 6: Final answer
    x = 153,934.43

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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.