Home / 249,388.50-344,157.96-136,211.25

Finding the Fourth Proportional to 249,388.50, 344,157.96 and 136,211.25

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Solution

The fourth proportional to 249,388.50, 344,157.96 and 136,211.25 is: 187,972.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,388.50 : 344,157.96 = 136,211.25 : x
  2. Step 2: Convert to fraction form
    249,388.50/344,157.96 = 136,211.25/x
  3. Step 3: Cross multiply
    249,388.50x = 344,157.96 × 136,211.25
  4. Step 4: Simplify right side
    249,388.50x = 46,878,185,929.05
  5. Step 5: Solve for x
    x = 46,878,185,929.05/249,388.50
  6. Step 6: Final answer
    x = 187,972.52

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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.