Home / 93,736.28-140,941.62-86,430.04

Finding the Fourth Proportional to 93,736.28, 140,941.62 and 86,430.04

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Solution

The fourth proportional to 93,736.28, 140,941.62 and 86,430.04 is: 129,955.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,736.28 : 140,941.62 = 86,430.04 : x
  2. Step 2: Convert to fraction form
    93,736.28/140,941.62 = 86,430.04/x
  3. Step 3: Cross multiply
    93,736.28x = 140,941.62 × 86,430.04
  4. Step 4: Simplify right side
    93,736.28x = 12,181,589,854.26
  5. Step 5: Solve for x
    x = 12,181,589,854.26/93,736.28
  6. Step 6: Final answer
    x = 129,955.98

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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.