Home / 103,566.06-155,241.36-70,288.83

Finding the Fourth Proportional to 103,566.06, 155,241.36 and 70,288.83

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Solution

The fourth proportional to 103,566.06, 155,241.36 and 70,288.83 is: 105,360.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,566.06 : 155,241.36 = 70,288.83 : x
  2. Step 2: Convert to fraction form
    103,566.06/155,241.36 = 70,288.83/x
  3. Step 3: Cross multiply
    103,566.06x = 155,241.36 × 70,288.83
  4. Step 4: Simplify right side
    103,566.06x = 10,911,733,562.01
  5. Step 5: Solve for x
    x = 10,911,733,562.01/103,566.06
  6. Step 6: Final answer
    x = 105,360.13

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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.