Home / 123,520.03-185,263.64-34,780.45

Finding the Fourth Proportional to 123,520.03, 185,263.64 and 34,780.45

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Solution

The fourth proportional to 123,520.03, 185,263.64 and 34,780.45 is: 52,166.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,520.03 : 185,263.64 = 34,780.45 : x
  2. Step 2: Convert to fraction form
    123,520.03/185,263.64 = 34,780.45/x
  3. Step 3: Cross multiply
    123,520.03x = 185,263.64 × 34,780.45
  4. Step 4: Simplify right side
    123,520.03x = 6,443,552,767.84
  5. Step 5: Solve for x
    x = 6,443,552,767.84/123,520.03
  6. Step 6: Final answer
    x = 52,166.06

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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.