Home / 197,345.51-272,126.52-159,064.82

Finding the Fourth Proportional to 197,345.51, 272,126.52 and 159,064.82

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Solution

The fourth proportional to 197,345.51, 272,126.52 and 159,064.82 is: 219,339.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,345.51 : 272,126.52 = 159,064.82 : x
  2. Step 2: Convert to fraction form
    197,345.51/272,126.52 = 159,064.82/x
  3. Step 3: Cross multiply
    197,345.51x = 272,126.52 × 159,064.82
  4. Step 4: Simplify right side
    197,345.51x = 43,285,755,921.03
  5. Step 5: Solve for x
    x = 43,285,755,921.03/197,345.51
  6. Step 6: Final answer
    x = 219,339.96

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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.