Home / 346,914.03-520,567.87-136,699.59

Finding the Fourth Proportional to 346,914.03, 520,567.87 and 136,699.59

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Solution

The fourth proportional to 346,914.03, 520,567.87 and 136,699.59 is: 205,126.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,914.03 : 520,567.87 = 136,699.59 : x
  2. Step 2: Convert to fraction form
    346,914.03/520,567.87 = 136,699.59/x
  3. Step 3: Cross multiply
    346,914.03x = 520,567.87 × 136,699.59
  4. Step 4: Simplify right side
    346,914.03x = 71,161,414,396.17
  5. Step 5: Solve for x
    x = 71,161,414,396.17/346,914.03
  6. Step 6: Final answer
    x = 205,126.94

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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.