Home / 249,532.50-374,405.98-81,104.43

Finding the Fourth Proportional to 249,532.50, 374,405.98 and 81,104.43

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Solution

The fourth proportional to 249,532.50, 374,405.98 and 81,104.43 is: 121,691.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,532.50 : 374,405.98 = 81,104.43 : x
  2. Step 2: Convert to fraction form
    249,532.50/374,405.98 = 81,104.43/x
  3. Step 3: Cross multiply
    249,532.50x = 374,405.98 × 81,104.43
  4. Step 4: Simplify right side
    249,532.50x = 30,365,983,596.49
  5. Step 5: Solve for x
    x = 30,365,983,596.49/249,532.50
  6. Step 6: Final answer
    x = 121,691.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.