Home / 249,989.36-344,985.90-136,819.40

Finding the Fourth Proportional to 249,989.36, 344,985.90 and 136,819.40

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Solution

The fourth proportional to 249,989.36, 344,985.90 and 136,819.40 is: 188,811.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,989.36 : 344,985.90 = 136,819.40 : x
  2. Step 2: Convert to fraction form
    249,989.36/344,985.90 = 136,819.40/x
  3. Step 3: Cross multiply
    249,989.36x = 344,985.90 × 136,819.40
  4. Step 4: Simplify right side
    249,989.36x = 47,200,763,846.46
  5. Step 5: Solve for x
    x = 47,200,763,846.46/249,989.36
  6. Step 6: Final answer
    x = 188,811.09

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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.