Home / 154,483.10-231,465.45-75,427.10

Finding the Fourth Proportional to 154,483.10, 231,465.45 and 75,427.10

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Solution

The fourth proportional to 154,483.10, 231,465.45 and 75,427.10 is: 113,014.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,483.10 : 231,465.45 = 75,427.10 : x
  2. Step 2: Convert to fraction form
    154,483.10/231,465.45 = 75,427.10/x
  3. Step 3: Cross multiply
    154,483.10x = 231,465.45 × 75,427.10
  4. Step 4: Simplify right side
    154,483.10x = 17,458,767,643.70
  5. Step 5: Solve for x
    x = 17,458,767,643.70/154,483.10
  6. Step 6: Final answer
    x = 113,014.09

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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.