Home / 309,948.17-464,999.47-88,332.17

Finding the Fourth Proportional to 309,948.17, 464,999.47 and 88,332.17

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Solution

The fourth proportional to 309,948.17, 464,999.47 and 88,332.17 is: 132,520.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,948.17 : 464,999.47 = 88,332.17 : x
  2. Step 2: Convert to fraction form
    309,948.17/464,999.47 = 88,332.17/x
  3. Step 3: Cross multiply
    309,948.17x = 464,999.47 × 88,332.17
  4. Step 4: Simplify right side
    309,948.17x = 41,074,409,688.12
  5. Step 5: Solve for x
    x = 41,074,409,688.12/309,948.17
  6. Step 6: Final answer
    x = 132,520.25

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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.