Home / 105,553.68-158,337-46,417.20

Finding the Fourth Proportional to 105,553.68, 158,337 and 46,417.20

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Solution

The fourth proportional to 105,553.68, 158,337 and 46,417.20 is: 69,628.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,553.68 : 158,337 = 46,417.20 : x
  2. Step 2: Convert to fraction form
    105,553.68/158,337 = 46,417.20/x
  3. Step 3: Cross multiply
    105,553.68x = 158,337 × 46,417.20
  4. Step 4: Simplify right side
    105,553.68x = 7,349,560,196.40
  5. Step 5: Solve for x
    x = 7,349,560,196.40/105,553.68
  6. Step 6: Final answer
    x = 69,628.65

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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.