Home / 249,813.18-344,744.91-136,633.50

Finding the Fourth Proportional to 249,813.18, 344,744.91 and 136,633.50

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Solution

The fourth proportional to 249,813.18, 344,744.91 and 136,633.50 is: 188,555.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,813.18 : 344,744.91 = 136,633.50 : x
  2. Step 2: Convert to fraction form
    249,813.18/344,744.91 = 136,633.50/x
  3. Step 3: Cross multiply
    249,813.18x = 344,744.91 × 136,633.50
  4. Step 4: Simplify right side
    249,813.18x = 47,103,703,660.49
  5. Step 5: Solve for x
    x = 47,103,703,660.49/249,813.18
  6. Step 6: Final answer
    x = 188,555.72

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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.