Home / 249,213.10-373,906.05-109,072.30

Finding the Fourth Proportional to 249,213.10, 373,906.05 and 109,072.30

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Solution

The fourth proportional to 249,213.10, 373,906.05 and 109,072.30 is: 163,646.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,213.10 : 373,906.05 = 109,072.30 : x
  2. Step 2: Convert to fraction form
    249,213.10/373,906.05 = 109,072.30/x
  3. Step 3: Cross multiply
    249,213.10x = 373,906.05 × 109,072.30
  4. Step 4: Simplify right side
    249,213.10x = 40,782,792,857.42
  5. Step 5: Solve for x
    x = 40,782,792,857.42/249,213.10
  6. Step 6: Final answer
    x = 163,646.26

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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.