Home / 249,981.36-344,975.40-136,803.84

Finding the Fourth Proportional to 249,981.36, 344,975.40 and 136,803.84

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Solution

The fourth proportional to 249,981.36, 344,975.40 and 136,803.84 is: 188,789.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,981.36 : 344,975.40 = 136,803.84 : x
  2. Step 2: Convert to fraction form
    249,981.36/344,975.40 = 136,803.84/x
  3. Step 3: Cross multiply
    249,981.36x = 344,975.40 × 136,803.84
  4. Step 4: Simplify right side
    249,981.36x = 47,193,959,425.54
  5. Step 5: Solve for x
    x = 47,193,959,425.54/249,981.36
  6. Step 6: Final answer
    x = 188,789.91

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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.