Home / 147,192.61-203,114.22-83,530.42

Finding the Fourth Proportional to 147,192.61, 203,114.22 and 83,530.42

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Solution

The fourth proportional to 147,192.61, 203,114.22 and 83,530.42 is: 115,265.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,192.61 : 203,114.22 = 83,530.42 : x
  2. Step 2: Convert to fraction form
    147,192.61/203,114.22 = 83,530.42/x
  3. Step 3: Cross multiply
    147,192.61x = 203,114.22 × 83,530.42
  4. Step 4: Simplify right side
    147,192.61x = 16,966,216,104.57
  5. Step 5: Solve for x
    x = 16,966,216,104.57/147,192.61
  6. Step 6: Final answer
    x = 115,265.41

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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.