Home / 111,305.34-153,601.20-60,319.62

Finding the Fourth Proportional to 111,305.34, 153,601.20 and 60,319.62

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Solution

The fourth proportional to 111,305.34, 153,601.20 and 60,319.62 is: 83,240.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,305.34 : 153,601.20 = 60,319.62 : x
  2. Step 2: Convert to fraction form
    111,305.34/153,601.20 = 60,319.62/x
  3. Step 3: Cross multiply
    111,305.34x = 153,601.20 × 60,319.62
  4. Step 4: Simplify right side
    111,305.34x = 9,265,166,015.54
  5. Step 5: Solve for x
    x = 9,265,166,015.54/111,305.34
  6. Step 6: Final answer
    x = 83,240.98

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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.