Home / 309,501.45-464,159.64-93,351.12

Finding the Fourth Proportional to 309,501.45, 464,159.64 and 93,351.12

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Solution

The fourth proportional to 309,501.45, 464,159.64 and 93,351.12 is: 139,998.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,501.45 : 464,159.64 = 93,351.12 : x
  2. Step 2: Convert to fraction form
    309,501.45/464,159.64 = 93,351.12/x
  3. Step 3: Cross multiply
    309,501.45x = 464,159.64 × 93,351.12
  4. Step 4: Simplify right side
    309,501.45x = 43,329,822,252.80
  5. Step 5: Solve for x
    x = 43,329,822,252.80/309,501.45
  6. Step 6: Final answer
    x = 139,998.77

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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.