Home / 116,601.20-174,901.80-42,719.60

Finding the Fourth Proportional to 116,601.20, 174,901.80 and 42,719.60

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Solution

The fourth proportional to 116,601.20, 174,901.80 and 42,719.60 is: 64,079.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,601.20 : 174,901.80 = 42,719.60 : x
  2. Step 2: Convert to fraction form
    116,601.20/174,901.80 = 42,719.60/x
  3. Step 3: Cross multiply
    116,601.20x = 174,901.80 × 42,719.60
  4. Step 4: Simplify right side
    116,601.20x = 7,471,734,935.28
  5. Step 5: Solve for x
    x = 7,471,734,935.28/116,601.20
  6. Step 6: Final answer
    x = 64,079.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.