Home / 249,215.10-373,786.20-71,703.60

Finding the Fourth Proportional to 249,215.10, 373,786.20 and 71,703.60

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Solution

The fourth proportional to 249,215.10, 373,786.20 and 71,703.60 is: 107,544.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,215.10 : 373,786.20 = 71,703.60 : x
  2. Step 2: Convert to fraction form
    249,215.10/373,786.20 = 71,703.60/x
  3. Step 3: Cross multiply
    249,215.10x = 373,786.20 × 71,703.60
  4. Step 4: Simplify right side
    249,215.10x = 26,801,816,170.32
  5. Step 5: Solve for x
    x = 26,801,816,170.32/249,215.10
  6. Step 6: Final answer
    x = 107,544.91

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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.