Home / 111,792.30-154,295.28-64,077.60

Finding the Fourth Proportional to 111,792.30, 154,295.28 and 64,077.60

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Solution

The fourth proportional to 111,792.30, 154,295.28 and 64,077.60 is: 88,439.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,792.30 : 154,295.28 = 64,077.60 : x
  2. Step 2: Convert to fraction form
    111,792.30/154,295.28 = 64,077.60/x
  3. Step 3: Cross multiply
    111,792.30x = 154,295.28 × 64,077.60
  4. Step 4: Simplify right side
    111,792.30x = 9,886,871,233.73
  5. Step 5: Solve for x
    x = 9,886,871,233.73/111,792.30
  6. Step 6: Final answer
    x = 88,439.64

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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.