Home / 249,519.75-344,344.33-139,140.91

Finding the Fourth Proportional to 249,519.75, 344,344.33 and 139,140.91

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Solution

The fourth proportional to 249,519.75, 344,344.33 and 139,140.91 is: 192,018.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,519.75 : 344,344.33 = 139,140.91 : x
  2. Step 2: Convert to fraction form
    249,519.75/344,344.33 = 139,140.91/x
  3. Step 3: Cross multiply
    249,519.75x = 344,344.33 × 139,140.91
  4. Step 4: Simplify right side
    249,519.75x = 47,912,383,081.69
  5. Step 5: Solve for x
    x = 47,912,383,081.69/249,519.75
  6. Step 6: Final answer
    x = 192,018.40

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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.