Home / 346,790.30-520,185.45-110,156.90

Finding the Fourth Proportional to 346,790.30, 520,185.45 and 110,156.90

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Solution

The fourth proportional to 346,790.30, 520,185.45 and 110,156.90 is: 165,235.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,790.30 : 520,185.45 = 110,156.90 : x
  2. Step 2: Convert to fraction form
    346,790.30/520,185.45 = 110,156.90/x
  3. Step 3: Cross multiply
    346,790.30x = 520,185.45 × 110,156.90
  4. Step 4: Simplify right side
    346,790.30x = 57,302,016,597.11
  5. Step 5: Solve for x
    x = 57,302,016,597.11/346,790.30
  6. Step 6: Final answer
    x = 165,235.35

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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.