Home / 114,032.20-171,048.30-76,707.40

Finding the Fourth Proportional to 114,032.20, 171,048.30 and 76,707.40

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Solution

The fourth proportional to 114,032.20, 171,048.30 and 76,707.40 is: 115,061.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,032.20 : 171,048.30 = 76,707.40 : x
  2. Step 2: Convert to fraction form
    114,032.20/171,048.30 = 76,707.40/x
  3. Step 3: Cross multiply
    114,032.20x = 171,048.30 × 76,707.40
  4. Step 4: Simplify right side
    114,032.20x = 13,120,670,367.42
  5. Step 5: Solve for x
    x = 13,120,670,367.42/114,032.20
  6. Step 6: Final answer
    x = 115,061.10

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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.