Home / 106,088.40-159,154.90-31,202.28

Finding the Fourth Proportional to 106,088.40, 159,154.90 and 31,202.28

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Solution

The fourth proportional to 106,088.40, 159,154.90 and 31,202.28 is: 46,809.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,088.40 : 159,154.90 = 31,202.28 : x
  2. Step 2: Convert to fraction form
    106,088.40/159,154.90 = 31,202.28/x
  3. Step 3: Cross multiply
    106,088.40x = 159,154.90 × 31,202.28
  4. Step 4: Simplify right side
    106,088.40x = 4,965,995,753.17
  5. Step 5: Solve for x
    x = 4,965,995,753.17/106,088.40
  6. Step 6: Final answer
    x = 46,809.98

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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.