Home / 249,780.33-374,495.27-91,988.55

Finding the Fourth Proportional to 249,780.33, 374,495.27 and 91,988.55

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Solution

The fourth proportional to 249,780.33, 374,495.27 and 91,988.55 is: 137,918.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,780.33 : 374,495.27 = 91,988.55 : x
  2. Step 2: Convert to fraction form
    249,780.33/374,495.27 = 91,988.55/x
  3. Step 3: Cross multiply
    249,780.33x = 374,495.27 × 91,988.55
  4. Step 4: Simplify right side
    249,780.33x = 34,449,276,409.22
  5. Step 5: Solve for x
    x = 34,449,276,409.22/249,780.33
  6. Step 6: Final answer
    x = 137,918.29

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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.