Home / 119,226.83-164,536.07-65,513.21

Finding the Fourth Proportional to 119,226.83, 164,536.07 and 65,513.21

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Solution

The fourth proportional to 119,226.83, 164,536.07 and 65,513.21 is: 90,409.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,226.83 : 164,536.07 = 65,513.21 : x
  2. Step 2: Convert to fraction form
    119,226.83/164,536.07 = 65,513.21/x
  3. Step 3: Cross multiply
    119,226.83x = 164,536.07 × 65,513.21
  4. Step 4: Simplify right side
    119,226.83x = 10,779,284,956.24
  5. Step 5: Solve for x
    x = 10,779,284,956.24/119,226.83
  6. Step 6: Final answer
    x = 90,409.90

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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.