Home / 249,365.78-344,126.04-136,188.53

Finding the Fourth Proportional to 249,365.78, 344,126.04 and 136,188.53

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Solution

The fourth proportional to 249,365.78, 344,126.04 and 136,188.53 is: 187,940.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,365.78 : 344,126.04 = 136,188.53 : x
  2. Step 2: Convert to fraction form
    249,365.78/344,126.04 = 136,188.53/x
  3. Step 3: Cross multiply
    249,365.78x = 344,126.04 × 136,188.53
  4. Step 4: Simplify right side
    249,365.78x = 46,866,019,522.32
  5. Step 5: Solve for x
    x = 46,866,019,522.32/249,365.78
  6. Step 6: Final answer
    x = 187,940.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.