Home / 180,919.49-249,632.89-109,303.47

Finding the Fourth Proportional to 180,919.49, 249,632.89 and 109,303.47

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Solution

The fourth proportional to 180,919.49, 249,632.89 and 109,303.47 is: 150,817.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,919.49 : 249,632.89 = 109,303.47 : x
  2. Step 2: Convert to fraction form
    180,919.49/249,632.89 = 109,303.47/x
  3. Step 3: Cross multiply
    180,919.49x = 249,632.89 × 109,303.47
  4. Step 4: Simplify right side
    180,919.49x = 27,285,740,829.87
  5. Step 5: Solve for x
    x = 27,285,740,829.87/180,919.49
  6. Step 6: Final answer
    x = 150,817.04

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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.