Home / 249,941.20-374,620.20-100,107.40

Finding the Fourth Proportional to 249,941.20, 374,620.20 and 100,107.40

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Solution

The fourth proportional to 249,941.20, 374,620.20 and 100,107.40 is: 150,044.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,941.20 : 374,620.20 = 100,107.40 : x
  2. Step 2: Convert to fraction form
    249,941.20/374,620.20 = 100,107.40/x
  3. Step 3: Cross multiply
    249,941.20x = 374,620.20 × 100,107.40
  4. Step 4: Simplify right side
    249,941.20x = 37,502,254,209.48
  5. Step 5: Solve for x
    x = 37,502,254,209.48/249,941.20
  6. Step 6: Final answer
    x = 150,044.31

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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.