Home / 215,746.64-297,740.60-120,254.04

Finding the Fourth Proportional to 215,746.64, 297,740.60 and 120,254.04

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Solution

The fourth proportional to 215,746.64, 297,740.60 and 120,254.04 is: 165,956.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,746.64 : 297,740.60 = 120,254.04 : x
  2. Step 2: Convert to fraction form
    215,746.64/297,740.60 = 120,254.04/x
  3. Step 3: Cross multiply
    215,746.64x = 297,740.60 × 120,254.04
  4. Step 4: Simplify right side
    215,746.64x = 35,804,510,022.02
  5. Step 5: Solve for x
    x = 35,804,510,022.02/215,746.64
  6. Step 6: Final answer
    x = 165,956.28

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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.