Home / 175,663.80-263,496.42-42,543.81

Finding the Fourth Proportional to 175,663.80, 263,496.42 and 42,543.81

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Solution

The fourth proportional to 175,663.80, 263,496.42 and 42,543.81 is: 63,815.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,663.80 : 263,496.42 = 42,543.81 : x
  2. Step 2: Convert to fraction form
    175,663.80/263,496.42 = 42,543.81/x
  3. Step 3: Cross multiply
    175,663.80x = 263,496.42 × 42,543.81
  4. Step 4: Simplify right side
    175,663.80x = 11,210,141,628.16
  5. Step 5: Solve for x
    x = 11,210,141,628.16/175,663.80
  6. Step 6: Final answer
    x = 63,815.89

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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.