Home / 114,803.04-172,199.84-39,940.16

Finding the Fourth Proportional to 114,803.04, 172,199.84 and 39,940.16

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Solution

The fourth proportional to 114,803.04, 172,199.84 and 39,940.16 is: 59,908.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,803.04 : 172,199.84 = 39,940.16 : x
  2. Step 2: Convert to fraction form
    114,803.04/172,199.84 = 39,940.16/x
  3. Step 3: Cross multiply
    114,803.04x = 172,199.84 × 39,940.16
  4. Step 4: Simplify right side
    114,803.04x = 6,877,689,161.57
  5. Step 5: Solve for x
    x = 6,877,689,161.57/114,803.04
  6. Step 6: Final answer
    x = 59,908.60

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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.