Home / 109,416.90-151,038.82-94,042.60

Finding the Fourth Proportional to 109,416.90, 151,038.82 and 94,042.60

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Solution

The fourth proportional to 109,416.90, 151,038.82 and 94,042.60 is: 129,816.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,416.90 : 151,038.82 = 94,042.60 : x
  2. Step 2: Convert to fraction form
    109,416.90/151,038.82 = 94,042.60/x
  3. Step 3: Cross multiply
    109,416.90x = 151,038.82 × 94,042.60
  4. Step 4: Simplify right side
    109,416.90x = 14,204,083,333.73
  5. Step 5: Solve for x
    x = 14,204,083,333.73/109,416.90
  6. Step 6: Final answer
    x = 129,816.17

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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.