Home / 106,166.54-159,251.04-42,140.40

Finding the Fourth Proportional to 106,166.54, 159,251.04 and 42,140.40

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Solution

The fourth proportional to 106,166.54, 159,251.04 and 42,140.40 is: 63,211.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,166.54 : 159,251.04 = 42,140.40 : x
  2. Step 2: Convert to fraction form
    106,166.54/159,251.04 = 42,140.40/x
  3. Step 3: Cross multiply
    106,166.54x = 159,251.04 × 42,140.40
  4. Step 4: Simplify right side
    106,166.54x = 6,710,902,526.02
  5. Step 5: Solve for x
    x = 6,710,902,526.02/106,166.54
  6. Step 6: Final answer
    x = 63,211.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.