Home / 112,307.52-168,662.07-107,792.38

Finding the Fourth Proportional to 112,307.52, 168,662.07 and 107,792.38

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Solution

The fourth proportional to 112,307.52, 168,662.07 and 107,792.38 is: 161,881.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,307.52 : 168,662.07 = 107,792.38 : x
  2. Step 2: Convert to fraction form
    112,307.52/168,662.07 = 107,792.38/x
  3. Step 3: Cross multiply
    112,307.52x = 168,662.07 × 107,792.38
  4. Step 4: Simplify right side
    112,307.52x = 18,180,486,151.85
  5. Step 5: Solve for x
    x = 18,180,486,151.85/112,307.52
  6. Step 6: Final answer
    x = 161,881.28

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1.5x scale

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.