Home / 249,720.58-374,405.88-91,928.56

Finding the Fourth Proportional to 249,720.58, 374,405.88 and 91,928.56

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Solution

The fourth proportional to 249,720.58, 374,405.88 and 91,928.56 is: 137,828.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,720.58 : 374,405.88 = 91,928.56 : x
  2. Step 2: Convert to fraction form
    249,720.58/374,405.88 = 91,928.56/x
  3. Step 3: Cross multiply
    249,720.58x = 374,405.88 × 91,928.56
  4. Step 4: Simplify right side
    249,720.58x = 34,418,593,403.93
  5. Step 5: Solve for x
    x = 34,418,593,403.93/249,720.58
  6. Step 6: Final answer
    x = 137,828.42

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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.