Home / 93,835.40-140,777.10-66,187.40

Finding the Fourth Proportional to 93,835.40, 140,777.10 and 66,187.40

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Solution

The fourth proportional to 93,835.40, 140,777.10 and 66,187.40 is: 99,298.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,835.40 : 140,777.10 = 66,187.40 : x
  2. Step 2: Convert to fraction form
    93,835.40/140,777.10 = 66,187.40/x
  3. Step 3: Cross multiply
    93,835.40x = 140,777.10 × 66,187.40
  4. Step 4: Simplify right side
    93,835.40x = 9,317,670,228.54
  5. Step 5: Solve for x
    x = 9,317,670,228.54/93,835.40
  6. Step 6: Final answer
    x = 99,298.03

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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.