Home / 240,741.87-360,946.35-105,740.79

Finding the Fourth Proportional to 240,741.87, 360,946.35 and 105,740.79

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Solution

The fourth proportional to 240,741.87, 360,946.35 and 105,740.79 is: 158,538.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,741.87 : 360,946.35 = 105,740.79 : x
  2. Step 2: Convert to fraction form
    240,741.87/360,946.35 = 105,740.79/x
  3. Step 3: Cross multiply
    240,741.87x = 360,946.35 × 105,740.79
  4. Step 4: Simplify right side
    240,741.87x = 38,166,752,196.62
  5. Step 5: Solve for x
    x = 38,166,752,196.62/240,741.87
  6. Step 6: Final answer
    x = 158,538.07

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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.