Home / 146,981.76-202,834.56-79,913.60

Finding the Fourth Proportional to 146,981.76, 202,834.56 and 79,913.60

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Solution

The fourth proportional to 146,981.76, 202,834.56 and 79,913.60 is: 110,280.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,981.76 : 202,834.56 = 79,913.60 : x
  2. Step 2: Convert to fraction form
    146,981.76/202,834.56 = 79,913.60/x
  3. Step 3: Cross multiply
    146,981.76x = 202,834.56 × 79,913.60
  4. Step 4: Simplify right side
    146,981.76x = 16,209,239,894.02
  5. Step 5: Solve for x
    x = 16,209,239,894.02/146,981.76
  6. Step 6: Final answer
    x = 110,280.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.