Home / 249,743.40-374,615.10-100,006.80

Finding the Fourth Proportional to 249,743.40, 374,615.10 and 100,006.80

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Solution

The fourth proportional to 249,743.40, 374,615.10 and 100,006.80 is: 150,010.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,743.40 : 374,615.10 = 100,006.80 : x
  2. Step 2: Convert to fraction form
    249,743.40/374,615.10 = 100,006.80/x
  3. Step 3: Cross multiply
    249,743.40x = 374,615.10 × 100,006.80
  4. Step 4: Simplify right side
    249,743.40x = 37,464,057,382.68
  5. Step 5: Solve for x
    x = 37,464,057,382.68/249,743.40
  6. Step 6: Final answer
    x = 150,010.20

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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.