Home / 93,917.40-141,005.70-74,218.20

Finding the Fourth Proportional to 93,917.40, 141,005.70 and 74,218.20

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Solution

The fourth proportional to 93,917.40, 141,005.70 and 74,218.20 is: 111,429.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,917.40 : 141,005.70 = 74,218.20 : x
  2. Step 2: Convert to fraction form
    93,917.40/141,005.70 = 74,218.20/x
  3. Step 3: Cross multiply
    93,917.40x = 141,005.70 × 74,218.20
  4. Step 4: Simplify right side
    93,917.40x = 10,465,189,243.74
  5. Step 5: Solve for x
    x = 10,465,189,243.74/93,917.40
  6. Step 6: Final answer
    x = 111,429.72

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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.