Home / 140,522.16-193,927.68-83,194.40

Finding the Fourth Proportional to 140,522.16, 193,927.68 and 83,194.40

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Solution

The fourth proportional to 140,522.16, 193,927.68 and 83,194.40 is: 114,812.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,522.16 : 193,927.68 = 83,194.40 : x
  2. Step 2: Convert to fraction form
    140,522.16/193,927.68 = 83,194.40/x
  3. Step 3: Cross multiply
    140,522.16x = 193,927.68 × 83,194.40
  4. Step 4: Simplify right side
    140,522.16x = 16,133,696,980.99
  5. Step 5: Solve for x
    x = 16,133,696,980.99/140,522.16
  6. Step 6: Final answer
    x = 114,812.47

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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.