Home / 259,675.08-389,277.51-101,861.16

Finding the Fourth Proportional to 259,675.08, 389,277.51 and 101,861.16

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Solution

The fourth proportional to 259,675.08, 389,277.51 and 101,861.16 is: 152,699.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,675.08 : 389,277.51 = 101,861.16 : x
  2. Step 2: Convert to fraction form
    259,675.08/389,277.51 = 101,861.16/x
  3. Step 3: Cross multiply
    259,675.08x = 389,277.51 × 101,861.16
  4. Step 4: Simplify right side
    259,675.08x = 39,652,258,730.51
  5. Step 5: Solve for x
    x = 39,652,258,730.51/259,675.08
  6. Step 6: Final answer
    x = 152,699.51

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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.