Home / 109,480.08-164,160.48-49,438.20

Finding the Fourth Proportional to 109,480.08, 164,160.48 and 49,438.20

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Solution

The fourth proportional to 109,480.08, 164,160.48 and 49,438.20 is: 74,130.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,480.08 : 164,160.48 = 49,438.20 : x
  2. Step 2: Convert to fraction form
    109,480.08/164,160.48 = 49,438.20/x
  3. Step 3: Cross multiply
    109,480.08x = 164,160.48 × 49,438.20
  4. Step 4: Simplify right side
    109,480.08x = 8,115,798,642.34
  5. Step 5: Solve for x
    x = 8,115,798,642.34/109,480.08
  6. Step 6: Final answer
    x = 74,130.37

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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.