Home / 154,043.55-212,466.38-97,400.25

Finding the Fourth Proportional to 154,043.55, 212,466.38 and 97,400.25

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Solution

The fourth proportional to 154,043.55, 212,466.38 and 97,400.25 is: 134,340.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,043.55 : 212,466.38 = 97,400.25 : x
  2. Step 2: Convert to fraction form
    154,043.55/212,466.38 = 97,400.25/x
  3. Step 3: Cross multiply
    154,043.55x = 212,466.38 × 97,400.25
  4. Step 4: Simplify right side
    154,043.55x = 20,694,278,041.59
  5. Step 5: Solve for x
    x = 20,694,278,041.59/154,043.55
  6. Step 6: Final answer
    x = 134,340.44

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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.