Home / 192,210.08-288,355.62-72,267.80

Finding the Fourth Proportional to 192,210.08, 288,355.62 and 72,267.80

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Solution

The fourth proportional to 192,210.08, 288,355.62 and 72,267.80 is: 108,416.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,210.08 : 288,355.62 = 72,267.80 : x
  2. Step 2: Convert to fraction form
    192,210.08/288,355.62 = 72,267.80/x
  3. Step 3: Cross multiply
    192,210.08x = 288,355.62 × 72,267.80
  4. Step 4: Simplify right side
    192,210.08x = 20,838,826,275.04
  5. Step 5: Solve for x
    x = 20,838,826,275.04/192,210.08
  6. Step 6: Final answer
    x = 108,416.93

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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.