Home / 180,942.02-249,703.99-100,366.92

Finding the Fourth Proportional to 180,942.02, 249,703.99 and 100,366.92

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Solution

The fourth proportional to 180,942.02, 249,703.99 and 100,366.92 is: 138,508.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,942.02 : 249,703.99 = 100,366.92 : x
  2. Step 2: Convert to fraction form
    180,942.02/249,703.99 = 100,366.92/x
  3. Step 3: Cross multiply
    180,942.02x = 249,703.99 × 100,366.92
  4. Step 4: Simplify right side
    180,942.02x = 25,062,020,388.01
  5. Step 5: Solve for x
    x = 25,062,020,388.01/180,942.02
  6. Step 6: Final answer
    x = 138,508.57

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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.