Home / 123,402.08-185,135.88-64,220.24

Finding the Fourth Proportional to 123,402.08, 185,135.88 and 64,220.24

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Solution

The fourth proportional to 123,402.08, 185,135.88 and 64,220.24 is: 96,347.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,402.08 : 185,135.88 = 64,220.24 : x
  2. Step 2: Convert to fraction form
    123,402.08/185,135.88 = 64,220.24/x
  3. Step 3: Cross multiply
    123,402.08x = 185,135.88 × 64,220.24
  4. Step 4: Simplify right side
    123,402.08x = 11,889,470,646.21
  5. Step 5: Solve for x
    x = 11,889,470,646.21/123,402.08
  6. Step 6: Final answer
    x = 96,347.41

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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.