Home / 147,130.02-203,036.42-82,600.76

Finding the Fourth Proportional to 147,130.02, 203,036.42 and 82,600.76

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Solution

The fourth proportional to 147,130.02, 203,036.42 and 82,600.76 is: 113,987.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,130.02 : 203,036.42 = 82,600.76 : x
  2. Step 2: Convert to fraction form
    147,130.02/203,036.42 = 82,600.76/x
  3. Step 3: Cross multiply
    147,130.02x = 203,036.42 × 82,600.76
  4. Step 4: Simplify right side
    147,130.02x = 16,770,963,313.77
  5. Step 5: Solve for x
    x = 16,770,963,313.77/147,130.02
  6. Step 6: Final answer
    x = 113,987.37

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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.