Home / 281,050.26-421,741.35-103,681.14

Finding the Fourth Proportional to 281,050.26, 421,741.35 and 103,681.14

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Solution

The fourth proportional to 281,050.26, 421,741.35 and 103,681.14 is: 155,582.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,050.26 : 421,741.35 = 103,681.14 : x
  2. Step 2: Convert to fraction form
    281,050.26/421,741.35 = 103,681.14/x
  3. Step 3: Cross multiply
    281,050.26x = 421,741.35 × 103,681.14
  4. Step 4: Simplify right side
    281,050.26x = 43,726,623,953.14
  5. Step 5: Solve for x
    x = 43,726,623,953.14/281,050.26
  6. Step 6: Final answer
    x = 155,582.93

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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.