Home / 102,290.08-141,160.24-57,579.04

Finding the Fourth Proportional to 102,290.08, 141,160.24 and 57,579.04

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Solution

The fourth proportional to 102,290.08, 141,160.24 and 57,579.04 is: 79,459.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,290.08 : 141,160.24 = 57,579.04 : x
  2. Step 2: Convert to fraction form
    102,290.08/141,160.24 = 57,579.04/x
  3. Step 3: Cross multiply
    102,290.08x = 141,160.24 × 57,579.04
  4. Step 4: Simplify right side
    102,290.08x = 8,127,871,105.37
  5. Step 5: Solve for x
    x = 8,127,871,105.37/102,290.08
  6. Step 6: Final answer
    x = 79,459.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.