Home / 249,906.96-344,863-142,511.56

Finding the Fourth Proportional to 249,906.96, 344,863 and 142,511.56

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Solution

The fourth proportional to 249,906.96, 344,863 and 142,511.56 is: 196,661.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,906.96 : 344,863 = 142,511.56 : x
  2. Step 2: Convert to fraction form
    249,906.96/344,863 = 142,511.56/x
  3. Step 3: Cross multiply
    249,906.96x = 344,863 × 142,511.56
  4. Step 4: Simplify right side
    249,906.96x = 49,146,964,116.28
  5. Step 5: Solve for x
    x = 49,146,964,116.28/249,906.96
  6. Step 6: Final answer
    x = 196,661.05

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1.5x scale

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.