Home / 249,828.50-344,768.20-136,653.68

Finding the Fourth Proportional to 249,828.50, 344,768.20 and 136,653.68

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Solution

The fourth proportional to 249,828.50, 344,768.20 and 136,653.68 is: 188,584.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,828.50 : 344,768.20 = 136,653.68 : x
  2. Step 2: Convert to fraction form
    249,828.50/344,768.20 = 136,653.68/x
  3. Step 3: Cross multiply
    249,828.50x = 344,768.20 × 136,653.68
  4. Step 4: Simplify right side
    249,828.50x = 47,113,843,276.98
  5. Step 5: Solve for x
    x = 47,113,843,276.98/249,828.50
  6. Step 6: Final answer
    x = 188,584.74

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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.