Home / 106,211.59-159,317.36-39,656.91

Finding the Fourth Proportional to 106,211.59, 159,317.36 and 39,656.91

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Solution

The fourth proportional to 106,211.59, 159,317.36 and 39,656.91 is: 59,485.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,211.59 : 159,317.36 = 39,656.91 : x
  2. Step 2: Convert to fraction form
    106,211.59/159,317.36 = 39,656.91/x
  3. Step 3: Cross multiply
    106,211.59x = 159,317.36 × 39,656.91
  4. Step 4: Simplify right side
    106,211.59x = 6,318,034,206.96
  5. Step 5: Solve for x
    x = 6,318,034,206.96/106,211.59
  6. Step 6: Final answer
    x = 59,485.36

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1.5x scale

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.