Home / 345,525.22-518,314.07-117,750.05

Finding the Fourth Proportional to 345,525.22, 518,314.07 and 117,750.05

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Solution

The fourth proportional to 345,525.22, 518,314.07 and 117,750.05 is: 176,634.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,525.22 : 518,314.07 = 117,750.05 : x
  2. Step 2: Convert to fraction form
    345,525.22/518,314.07 = 117,750.05/x
  3. Step 3: Cross multiply
    345,525.22x = 518,314.07 × 117,750.05
  4. Step 4: Simplify right side
    345,525.22x = 61,031,507,304.69
  5. Step 5: Solve for x
    x = 61,031,507,304.69/345,525.22
  6. Step 6: Final answer
    x = 176,634.02

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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.