Home / 123,538.34-185,307.51-30,043.28

Finding the Fourth Proportional to 123,538.34, 185,307.51 and 30,043.28

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Solution

The fourth proportional to 123,538.34, 185,307.51 and 30,043.28 is: 45,064.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,538.34 : 185,307.51 = 30,043.28 : x
  2. Step 2: Convert to fraction form
    123,538.34/185,307.51 = 30,043.28/x
  3. Step 3: Cross multiply
    123,538.34x = 185,307.51 × 30,043.28
  4. Step 4: Simplify right side
    123,538.34x = 5,567,245,984.96
  5. Step 5: Solve for x
    x = 5,567,245,984.96/123,538.34
  6. Step 6: Final answer
    x = 45,064.92

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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.