Home / 259,667.12-389,500.67-62,675.12

Finding the Fourth Proportional to 259,667.12, 389,500.67 and 62,675.12

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Solution

The fourth proportional to 259,667.12, 389,500.67 and 62,675.12 is: 94,012.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,667.12 : 389,500.67 = 62,675.12 : x
  2. Step 2: Convert to fraction form
    259,667.12/389,500.67 = 62,675.12/x
  3. Step 3: Cross multiply
    259,667.12x = 389,500.67 × 62,675.12
  4. Step 4: Simplify right side
    259,667.12x = 24,411,999,441.51
  5. Step 5: Solve for x
    x = 24,411,999,441.51/259,667.12
  6. Step 6: Final answer
    x = 94,012.67

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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.