Home / 197,370.51-272,371.10-106,726.25

Finding the Fourth Proportional to 197,370.51, 272,371.10 and 106,726.25

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Solution

The fourth proportional to 197,370.51, 272,371.10 and 106,726.25 is: 147,282.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,370.51 : 272,371.10 = 106,726.25 : x
  2. Step 2: Convert to fraction form
    197,370.51/272,371.10 = 106,726.25/x
  3. Step 3: Cross multiply
    197,370.51x = 272,371.10 × 106,726.25
  4. Step 4: Simplify right side
    197,370.51x = 29,069,144,215.89
  5. Step 5: Solve for x
    x = 29,069,144,215.89/197,370.51
  6. Step 6: Final answer
    x = 147,282.11

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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.