Home / 144,265.08-199,160.46-99,475.32

Finding the Fourth Proportional to 144,265.08, 199,160.46 and 99,475.32

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Solution

The fourth proportional to 144,265.08, 199,160.46 and 99,475.32 is: 137,327.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,265.08 : 199,160.46 = 99,475.32 : x
  2. Step 2: Convert to fraction form
    144,265.08/199,160.46 = 99,475.32/x
  3. Step 3: Cross multiply
    144,265.08x = 199,160.46 × 99,475.32
  4. Step 4: Simplify right side
    144,265.08x = 19,811,550,489.85
  5. Step 5: Solve for x
    x = 19,811,550,489.85/144,265.08
  6. Step 6: Final answer
    x = 137,327.41

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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.