Home / 249,812.10-374,608.80-100,002.60

Finding the Fourth Proportional to 249,812.10, 374,608.80 and 100,002.60

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Solution

The fourth proportional to 249,812.10, 374,608.80 and 100,002.60 is: 149,960.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,812.10 : 374,608.80 = 100,002.60 : x
  2. Step 2: Convert to fraction form
    249,812.10/374,608.80 = 100,002.60/x
  3. Step 3: Cross multiply
    249,812.10x = 374,608.80 × 100,002.60
  4. Step 4: Simplify right side
    249,812.10x = 37,461,853,982.88
  5. Step 5: Solve for x
    x = 37,461,853,982.88/249,812.10
  6. Step 6: Final answer
    x = 149,960.13

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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.