Home / 249,679.40-344,535.54-142,245.32

Finding the Fourth Proportional to 249,679.40, 344,535.54 and 142,245.32

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Solution

The fourth proportional to 249,679.40, 344,535.54 and 142,245.32 is: 196,285.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,679.40 : 344,535.54 = 142,245.32 : x
  2. Step 2: Convert to fraction form
    249,679.40/344,535.54 = 142,245.32/x
  3. Step 3: Cross multiply
    249,679.40x = 344,535.54 × 142,245.32
  4. Step 4: Simplify right side
    249,679.40x = 49,008,568,138.67
  5. Step 5: Solve for x
    x = 49,008,568,138.67/249,679.40
  6. Step 6: Final answer
    x = 196,285.99

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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.