Home / 123,675.40-185,561.70-48,782.80

Finding the Fourth Proportional to 123,675.40, 185,561.70 and 48,782.80

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Solution

The fourth proportional to 123,675.40, 185,561.70 and 48,782.80 is: 73,193.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,675.40 : 185,561.70 = 48,782.80 : x
  2. Step 2: Convert to fraction form
    123,675.40/185,561.70 = 48,782.80/x
  3. Step 3: Cross multiply
    123,675.40x = 185,561.70 × 48,782.80
  4. Step 4: Simplify right side
    123,675.40x = 9,052,219,298.76
  5. Step 5: Solve for x
    x = 9,052,219,298.76/123,675.40
  6. Step 6: Final answer
    x = 73,193.37

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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.