Home / 196,426.89-271,070.15-114,802.65

Finding the Fourth Proportional to 196,426.89, 271,070.15 and 114,802.65

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Solution

The fourth proportional to 196,426.89, 271,070.15 and 114,802.65 is: 158,428.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,426.89 : 271,070.15 = 114,802.65 : x
  2. Step 2: Convert to fraction form
    196,426.89/271,070.15 = 114,802.65/x
  3. Step 3: Cross multiply
    196,426.89x = 271,070.15 × 114,802.65
  4. Step 4: Simplify right side
    196,426.89x = 31,119,570,981.88
  5. Step 5: Solve for x
    x = 31,119,570,981.88/196,426.89
  6. Step 6: Final answer
    x = 158,428.26

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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.