Home / 233,158.24-349,668.72-90,971.68

Finding the Fourth Proportional to 233,158.24, 349,668.72 and 90,971.68

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Solution

The fourth proportional to 233,158.24, 349,668.72 and 90,971.68 is: 136,430.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,158.24 : 349,668.72 = 90,971.68 : x
  2. Step 2: Convert to fraction form
    233,158.24/349,668.72 = 90,971.68/x
  3. Step 3: Cross multiply
    233,158.24x = 349,668.72 × 90,971.68
  4. Step 4: Simplify right side
    233,158.24x = 31,809,950,901.85
  5. Step 5: Solve for x
    x = 31,809,950,901.85/233,158.24
  6. Step 6: Final answer
    x = 136,430.74

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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.