Home / 254,525.84-351,189.96-153,921.68

Finding the Fourth Proportional to 254,525.84, 351,189.96 and 153,921.68

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Solution

The fourth proportional to 254,525.84, 351,189.96 and 153,921.68 is: 212,378.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,525.84 : 351,189.96 = 153,921.68 : x
  2. Step 2: Convert to fraction form
    254,525.84/351,189.96 = 153,921.68/x
  3. Step 3: Cross multiply
    254,525.84x = 351,189.96 × 153,921.68
  4. Step 4: Simplify right side
    254,525.84x = 54,055,748,642.33
  5. Step 5: Solve for x
    x = 54,055,748,642.33/254,525.84
  6. Step 6: Final answer
    x = 212,378.23

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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.