Home / 346,701.30-520,051.95-136,346.10

Finding the Fourth Proportional to 346,701.30, 520,051.95 and 136,346.10

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Solution

The fourth proportional to 346,701.30, 520,051.95 and 136,346.10 is: 204,519.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,701.30 : 520,051.95 = 136,346.10 : x
  2. Step 2: Convert to fraction form
    346,701.30/520,051.95 = 136,346.10/x
  3. Step 3: Cross multiply
    346,701.30x = 520,051.95 × 136,346.10
  4. Step 4: Simplify right side
    346,701.30x = 70,907,055,179.90
  5. Step 5: Solve for x
    x = 70,907,055,179.90/346,701.30
  6. Step 6: Final answer
    x = 204,519.15

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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.