Home / 346,734.18-520,103.43-106,845.12

Finding the Fourth Proportional to 346,734.18, 520,103.43 and 106,845.12

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Solution

The fourth proportional to 346,734.18, 520,103.43 and 106,845.12 is: 160,268.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,734.18 : 520,103.43 = 106,845.12 : x
  2. Step 2: Convert to fraction form
    346,734.18/520,103.43 = 106,845.12/x
  3. Step 3: Cross multiply
    346,734.18x = 520,103.43 × 106,845.12
  4. Step 4: Simplify right side
    346,734.18x = 55,570,513,390.76
  5. Step 5: Solve for x
    x = 55,570,513,390.76/346,734.18
  6. Step 6: Final answer
    x = 160,268.35

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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.