Home / 186,658.15-280,118.45-168,812.23

Finding the Fourth Proportional to 186,658.15, 280,118.45 and 168,812.23

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Solution

The fourth proportional to 186,658.15, 280,118.45 and 168,812.23 is: 253,337.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,658.15 : 280,118.45 = 168,812.23 : x
  2. Step 2: Convert to fraction form
    186,658.15/280,118.45 = 168,812.23/x
  3. Step 3: Cross multiply
    186,658.15x = 280,118.45 × 168,812.23
  4. Step 4: Simplify right side
    186,658.15x = 47,287,420,208.64
  5. Step 5: Solve for x
    x = 47,287,420,208.64/186,658.15
  6. Step 6: Final answer
    x = 253,337.02

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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.