Home / 180,794.37-249,479.46-100,215.04

Finding the Fourth Proportional to 180,794.37, 249,479.46 and 100,215.04

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Solution

The fourth proportional to 180,794.37, 249,479.46 and 100,215.04 is: 138,287.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,794.37 : 249,479.46 = 100,215.04 : x
  2. Step 2: Convert to fraction form
    180,794.37/249,479.46 = 100,215.04/x
  3. Step 3: Cross multiply
    180,794.37x = 249,479.46 × 100,215.04
  4. Step 4: Simplify right side
    180,794.37x = 25,001,594,063.08
  5. Step 5: Solve for x
    x = 25,001,594,063.08/180,794.37
  6. Step 6: Final answer
    x = 138,287.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.