Home / 170,816.80-256,225.20-168,192.40

Finding the Fourth Proportional to 170,816.80, 256,225.20 and 168,192.40

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Solution

The fourth proportional to 170,816.80, 256,225.20 and 168,192.40 is: 252,288.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,816.80 : 256,225.20 = 168,192.40 : x
  2. Step 2: Convert to fraction form
    170,816.80/256,225.20 = 168,192.40/x
  3. Step 3: Cross multiply
    170,816.80x = 256,225.20 × 168,192.40
  4. Step 4: Simplify right side
    170,816.80x = 43,095,131,328.48
  5. Step 5: Solve for x
    x = 43,095,131,328.48/170,816.80
  6. Step 6: Final answer
    x = 252,288.60

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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.