Home / 109,416.69-151,038.53-94,042.40

Finding the Fourth Proportional to 109,416.69, 151,038.53 and 94,042.40

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Solution

The fourth proportional to 109,416.69, 151,038.53 and 94,042.40 is: 129,815.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,416.69 : 151,038.53 = 94,042.40 : x
  2. Step 2: Convert to fraction form
    109,416.69/151,038.53 = 94,042.40/x
  3. Step 3: Cross multiply
    109,416.69x = 151,038.53 × 94,042.40
  4. Step 4: Simplify right side
    109,416.69x = 14,204,024,628.27
  5. Step 5: Solve for x
    x = 14,204,024,628.27/109,416.69
  6. Step 6: Final answer
    x = 129,815.89

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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.