Home / 254,486.80-351,224.04-153,940.24

Finding the Fourth Proportional to 254,486.80, 351,224.04 and 153,940.24

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Solution

The fourth proportional to 254,486.80, 351,224.04 and 153,940.24 is: 212,457.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,486.80 : 351,224.04 = 153,940.24 : x
  2. Step 2: Convert to fraction form
    254,486.80/351,224.04 = 153,940.24/x
  3. Step 3: Cross multiply
    254,486.80x = 351,224.04 × 153,940.24
  4. Step 4: Simplify right side
    254,486.80x = 54,067,513,011.37
  5. Step 5: Solve for x
    x = 54,067,513,011.37/254,486.80
  6. Step 6: Final answer
    x = 212,457.04

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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.