Home / 192,434.40-288,214.20-98,830.80

Finding the Fourth Proportional to 192,434.40, 288,214.20 and 98,830.80

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Solution

The fourth proportional to 192,434.40, 288,214.20 and 98,830.80 is: 148,021.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,434.40 : 288,214.20 = 98,830.80 : x
  2. Step 2: Convert to fraction form
    192,434.40/288,214.20 = 98,830.80/x
  3. Step 3: Cross multiply
    192,434.40x = 288,214.20 × 98,830.80
  4. Step 4: Simplify right side
    192,434.40x = 28,484,439,957.36
  5. Step 5: Solve for x
    x = 28,484,439,957.36/192,434.40
  6. Step 6: Final answer
    x = 148,021.56

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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.