Home / 128,453.01-192,430.17-94,657.69

Finding the Fourth Proportional to 128,453.01, 192,430.17 and 94,657.69

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Solution

The fourth proportional to 128,453.01, 192,430.17 and 94,657.69 is: 141,802.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,453.01 : 192,430.17 = 94,657.69 : x
  2. Step 2: Convert to fraction form
    128,453.01/192,430.17 = 94,657.69/x
  3. Step 3: Cross multiply
    128,453.01x = 192,430.17 × 94,657.69
  4. Step 4: Simplify right side
    128,453.01x = 18,214,994,897.43
  5. Step 5: Solve for x
    x = 18,214,994,897.43/128,453.01
  6. Step 6: Final answer
    x = 141,802.79

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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.