Home / 109,750.55-164,625.84-43,154.30

Finding the Fourth Proportional to 109,750.55, 164,625.84 and 43,154.30

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Solution

The fourth proportional to 109,750.55, 164,625.84 and 43,154.30 is: 64,731.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,750.55 : 164,625.84 = 43,154.30 : x
  2. Step 2: Convert to fraction form
    109,750.55/164,625.84 = 43,154.30/x
  3. Step 3: Cross multiply
    109,750.55x = 164,625.84 × 43,154.30
  4. Step 4: Simplify right side
    109,750.55x = 7,104,312,887.11
  5. Step 5: Solve for x
    x = 7,104,312,887.11/109,750.55
  6. Step 6: Final answer
    x = 64,731.46

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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.