Home / 197,440.29-272,467.62-111,417.48

Finding the Fourth Proportional to 197,440.29, 272,467.62 and 111,417.48

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Solution

The fourth proportional to 197,440.29, 272,467.62 and 111,417.48 is: 153,756.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,440.29 : 272,467.62 = 111,417.48 : x
  2. Step 2: Convert to fraction form
    197,440.29/272,467.62 = 111,417.48/x
  3. Step 3: Cross multiply
    197,440.29x = 272,467.62 × 111,417.48
  4. Step 4: Simplify right side
    197,440.29x = 30,357,655,602.00
  5. Step 5: Solve for x
    x = 30,357,655,602.00/197,440.29
  6. Step 6: Final answer
    x = 153,756.13

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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.