Home / 114,156.48-157,525.18-77,287.68

Finding the Fourth Proportional to 114,156.48, 157,525.18 and 77,287.68

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Solution

The fourth proportional to 114,156.48, 157,525.18 and 77,287.68 is: 106,649.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,156.48 : 157,525.18 = 77,287.68 : x
  2. Step 2: Convert to fraction form
    114,156.48/157,525.18 = 77,287.68/x
  3. Step 3: Cross multiply
    114,156.48x = 157,525.18 × 77,287.68
  4. Step 4: Simplify right side
    114,156.48x = 12,174,755,703.78
  5. Step 5: Solve for x
    x = 12,174,755,703.78/114,156.48
  6. Step 6: Final answer
    x = 106,649.71

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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.