Home / 197,430.52-272,453.82-111,389.38

Finding the Fourth Proportional to 197,430.52, 272,453.82 and 111,389.38

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Solution

The fourth proportional to 197,430.52, 272,453.82 and 111,389.38 is: 153,717.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,430.52 : 272,453.82 = 111,389.38 : x
  2. Step 2: Convert to fraction form
    197,430.52/272,453.82 = 111,389.38/x
  3. Step 3: Cross multiply
    197,430.52x = 272,453.82 × 111,389.38
  4. Step 4: Simplify right side
    197,430.52x = 30,348,462,088.43
  5. Step 5: Solve for x
    x = 30,348,462,088.43/197,430.52
  6. Step 6: Final answer
    x = 153,717.18

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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.