Home / 123,430.85-185,152.66-39,197.59

Finding the Fourth Proportional to 123,430.85, 185,152.66 and 39,197.59

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Solution

The fourth proportional to 123,430.85, 185,152.66 and 39,197.59 is: 58,798.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,430.85 : 185,152.66 = 39,197.59 : x
  2. Step 2: Convert to fraction form
    123,430.85/185,152.66 = 39,197.59/x
  3. Step 3: Cross multiply
    123,430.85x = 185,152.66 × 39,197.59
  4. Step 4: Simplify right side
    123,430.85x = 7,257,537,493.21
  5. Step 5: Solve for x
    x = 7,257,537,493.21/123,430.85
  6. Step 6: Final answer
    x = 58,798.41

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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.