Home / 122,977.10-184,465.65-120,644.30

Finding the Fourth Proportional to 122,977.10, 184,465.65 and 120,644.30

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Solution

The fourth proportional to 122,977.10, 184,465.65 and 120,644.30 is: 180,966.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,977.10 : 184,465.65 = 120,644.30 : x
  2. Step 2: Convert to fraction form
    122,977.10/184,465.65 = 120,644.30/x
  3. Step 3: Cross multiply
    122,977.10x = 184,465.65 × 120,644.30
  4. Step 4: Simplify right side
    122,977.10x = 22,254,729,218.30
  5. Step 5: Solve for x
    x = 22,254,729,218.30/122,977.10
  6. Step 6: Final answer
    x = 180,966.45

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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.