Home / 197,509.15-272,562.43-111,486.23

Finding the Fourth Proportional to 197,509.15, 272,562.43 and 111,486.23

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Solution

The fourth proportional to 197,509.15, 272,562.43 and 111,486.23 is: 153,850.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,509.15 : 272,562.43 = 111,486.23 : x
  2. Step 2: Convert to fraction form
    197,509.15/272,562.43 = 111,486.23/x
  3. Step 3: Cross multiply
    197,509.15x = 272,562.43 × 111,486.23
  4. Step 4: Simplify right side
    197,509.15x = 30,386,957,760.34
  5. Step 5: Solve for x
    x = 30,386,957,760.34/197,509.15
  6. Step 6: Final answer
    x = 153,850.89

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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.