Home / 104,051.04-143,660.76-68,301.84

Finding the Fourth Proportional to 104,051.04, 143,660.76 and 68,301.84

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Solution

The fourth proportional to 104,051.04, 143,660.76 and 68,301.84 is: 94,302.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,051.04 : 143,660.76 = 68,301.84 : x
  2. Step 2: Convert to fraction form
    104,051.04/143,660.76 = 68,301.84/x
  3. Step 3: Cross multiply
    104,051.04x = 143,660.76 × 68,301.84
  4. Step 4: Simplify right side
    104,051.04x = 9,812,294,243.80
  5. Step 5: Solve for x
    x = 9,812,294,243.80/104,051.04
  6. Step 6: Final answer
    x = 94,302.70

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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.