Home / 105,177.87-157,842.93-41,145.45

Finding the Fourth Proportional to 105,177.87, 157,842.93 and 41,145.45

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Solution

The fourth proportional to 105,177.87, 157,842.93 and 41,145.45 is: 61,747.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,177.87 : 157,842.93 = 41,145.45 : x
  2. Step 2: Convert to fraction form
    105,177.87/157,842.93 = 41,145.45/x
  3. Step 3: Cross multiply
    105,177.87x = 157,842.93 × 41,145.45
  4. Step 4: Simplify right side
    105,177.87x = 6,494,518,384.17
  5. Step 5: Solve for x
    x = 6,494,518,384.17/105,177.87
  6. Step 6: Final answer
    x = 61,747.96

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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.