Home / 192,420.10-288,630.15-166,176.10

Finding the Fourth Proportional to 192,420.10, 288,630.15 and 166,176.10

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Solution

The fourth proportional to 192,420.10, 288,630.15 and 166,176.10 is: 249,264.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,420.10 : 288,630.15 = 166,176.10 : x
  2. Step 2: Convert to fraction form
    192,420.10/288,630.15 = 166,176.10/x
  3. Step 3: Cross multiply
    192,420.10x = 288,630.15 × 166,176.10
  4. Step 4: Simplify right side
    192,420.10x = 47,963,432,669.42
  5. Step 5: Solve for x
    x = 47,963,432,669.42/192,420.10
  6. Step 6: Final answer
    x = 249,264.15

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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.