Home / 249,815.10-374,613.30-100,005.60

Finding the Fourth Proportional to 249,815.10, 374,613.30 and 100,005.60

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Solution

The fourth proportional to 249,815.10, 374,613.30 and 100,005.60 is: 149,964.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,815.10 : 374,613.30 = 100,005.60 : x
  2. Step 2: Convert to fraction form
    249,815.10/374,613.30 = 100,005.60/x
  3. Step 3: Cross multiply
    249,815.10x = 374,613.30 × 100,005.60
  4. Step 4: Simplify right side
    249,815.10x = 37,463,427,834.48
  5. Step 5: Solve for x
    x = 37,463,427,834.48/249,815.10
  6. Step 6: Final answer
    x = 149,964.63

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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.