Home / 139,373.48-192,394.28-94,112.76

Finding the Fourth Proportional to 139,373.48, 192,394.28 and 94,112.76

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Solution

The fourth proportional to 139,373.48, 192,394.28 and 94,112.76 is: 129,915.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,373.48 : 192,394.28 = 94,112.76 : x
  2. Step 2: Convert to fraction form
    139,373.48/192,394.28 = 94,112.76/x
  3. Step 3: Cross multiply
    139,373.48x = 192,394.28 × 94,112.76
  4. Step 4: Simplify right side
    139,373.48x = 18,106,756,699.01
  5. Step 5: Solve for x
    x = 18,106,756,699.01/139,373.48
  6. Step 6: Final answer
    x = 129,915.37

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1.5x scale

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.