Home / 114,028.48-157,193.76-79,930.72

Finding the Fourth Proportional to 114,028.48, 157,193.76 and 79,930.72

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Solution

The fourth proportional to 114,028.48, 157,193.76 and 79,930.72 is: 110,188.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,028.48 : 157,193.76 = 79,930.72 : x
  2. Step 2: Convert to fraction form
    114,028.48/157,193.76 = 79,930.72/x
  3. Step 3: Cross multiply
    114,028.48x = 157,193.76 × 79,930.72
  4. Step 4: Simplify right side
    114,028.48x = 12,564,610,416.31
  5. Step 5: Solve for x
    x = 12,564,610,416.31/114,028.48
  6. Step 6: Final answer
    x = 110,188.35

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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.