Home / 147,924.80-221,741.40-72,983.60

Finding the Fourth Proportional to 147,924.80, 221,741.40 and 72,983.60

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Solution

The fourth proportional to 147,924.80, 221,741.40 and 72,983.60 is: 109,403.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,924.80 : 221,741.40 = 72,983.60 : x
  2. Step 2: Convert to fraction form
    147,924.80/221,741.40 = 72,983.60/x
  3. Step 3: Cross multiply
    147,924.80x = 221,741.40 × 72,983.60
  4. Step 4: Simplify right side
    147,924.80x = 16,183,485,641.04
  5. Step 5: Solve for x
    x = 16,183,485,641.04/147,924.80
  6. Step 6: Final answer
    x = 109,403.46

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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.