Home / 146,210.20-219,145.20-67,332.40

Finding the Fourth Proportional to 146,210.20, 219,145.20 and 67,332.40

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Solution

The fourth proportional to 146,210.20, 219,145.20 and 67,332.40 is: 100,920.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,210.20 : 219,145.20 = 67,332.40 : x
  2. Step 2: Convert to fraction form
    146,210.20/219,145.20 = 67,332.40/x
  3. Step 3: Cross multiply
    146,210.20x = 219,145.20 × 67,332.40
  4. Step 4: Simplify right side
    146,210.20x = 14,755,572,264.48
  5. Step 5: Solve for x
    x = 14,755,572,264.48/146,210.20
  6. Step 6: Final answer
    x = 100,920.27

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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.