Home / 147,202.04-203,149.32-83,543.94

Finding the Fourth Proportional to 147,202.04, 203,149.32 and 83,543.94

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Solution

The fourth proportional to 147,202.04, 203,149.32 and 83,543.94 is: 115,296.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,202.04 : 203,149.32 = 83,543.94 : x
  2. Step 2: Convert to fraction form
    147,202.04/203,149.32 = 83,543.94/x
  3. Step 3: Cross multiply
    147,202.04x = 203,149.32 × 83,543.94
  4. Step 4: Simplify right side
    147,202.04x = 16,971,894,601.12
  5. Step 5: Solve for x
    x = 16,971,894,601.12/147,202.04
  6. Step 6: Final answer
    x = 115,296.60

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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.