Home / 142,695.08-197,051.58-106,822.81

Finding the Fourth Proportional to 142,695.08, 197,051.58 and 106,822.81

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Solution

The fourth proportional to 142,695.08, 197,051.58 and 106,822.81 is: 147,514.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,695.08 : 197,051.58 = 106,822.81 : x
  2. Step 2: Convert to fraction form
    142,695.08/197,051.58 = 106,822.81/x
  3. Step 3: Cross multiply
    142,695.08x = 197,051.58 × 106,822.81
  4. Step 4: Simplify right side
    142,695.08x = 21,049,602,882.21
  5. Step 5: Solve for x
    x = 21,049,602,882.21/142,695.08
  6. Step 6: Final answer
    x = 147,514.57

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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.