Home / 197,521.57-272,577.72-106,875.53

Finding the Fourth Proportional to 197,521.57, 272,577.72 and 106,875.53

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Solution

The fourth proportional to 197,521.57, 272,577.72 and 106,875.53 is: 147,487.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,521.57 : 272,577.72 = 106,875.53 : x
  2. Step 2: Convert to fraction form
    197,521.57/272,577.72 = 106,875.53/x
  3. Step 3: Cross multiply
    197,521.57x = 272,577.72 × 106,875.53
  4. Step 4: Simplify right side
    197,521.57x = 29,131,887,756.81
  5. Step 5: Solve for x
    x = 29,131,887,756.81/197,521.57
  6. Step 6: Final answer
    x = 147,487.13

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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.