Home / 116,515.48-161,400.22-114,153.52

Finding the Fourth Proportional to 116,515.48, 161,400.22 and 114,153.52

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Solution

The fourth proportional to 116,515.48, 161,400.22 and 114,153.52 is: 158,128.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,515.48 : 161,400.22 = 114,153.52 : x
  2. Step 2: Convert to fraction form
    116,515.48/161,400.22 = 114,153.52/x
  3. Step 3: Cross multiply
    116,515.48x = 161,400.22 × 114,153.52
  4. Step 4: Simplify right side
    116,515.48x = 18,424,402,552.89
  5. Step 5: Solve for x
    x = 18,424,402,552.89/116,515.48
  6. Step 6: Final answer
    x = 158,128.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.