Home / 147,292.02-203,263.02-83,639.52

Finding the Fourth Proportional to 147,292.02, 203,263.02 and 83,639.52

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Solution

The fourth proportional to 147,292.02, 203,263.02 and 83,639.52 is: 115,422.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,292.02 : 203,263.02 = 83,639.52 : x
  2. Step 2: Convert to fraction form
    147,292.02/203,263.02 = 83,639.52/x
  3. Step 3: Cross multiply
    147,292.02x = 203,263.02 × 83,639.52
  4. Step 4: Simplify right side
    147,292.02x = 17,000,821,426.55
  5. Step 5: Solve for x
    x = 17,000,821,426.55/147,292.02
  6. Step 6: Final answer
    x = 115,422.56

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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.