Home / 254,776.68-382,219.38-86,291.10

Finding the Fourth Proportional to 254,776.68, 382,219.38 and 86,291.10

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Solution

The fourth proportional to 254,776.68, 382,219.38 and 86,291.10 is: 129,455.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,776.68 : 382,219.38 = 86,291.10 : x
  2. Step 2: Convert to fraction form
    254,776.68/382,219.38 = 86,291.10/x
  3. Step 3: Cross multiply
    254,776.68x = 382,219.38 × 86,291.10
  4. Step 4: Simplify right side
    254,776.68x = 32,982,130,741.52
  5. Step 5: Solve for x
    x = 32,982,130,741.52/254,776.68
  6. Step 6: Final answer
    x = 129,455.06

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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.