Home / 147,653.35-203,652.83-111,356.30

Finding the Fourth Proportional to 147,653.35, 203,652.83 and 111,356.30

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Solution

The fourth proportional to 147,653.35, 203,652.83 and 111,356.30 is: 153,589.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,653.35 : 203,652.83 = 111,356.30 : x
  2. Step 2: Convert to fraction form
    147,653.35/203,652.83 = 111,356.30/x
  3. Step 3: Cross multiply
    147,653.35x = 203,652.83 × 111,356.30
  4. Step 4: Simplify right side
    147,653.35x = 22,678,026,420.85
  5. Step 5: Solve for x
    x = 22,678,026,420.85/147,653.35
  6. Step 6: Final answer
    x = 153,589.65

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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.