Home / 97,865.48-146,636.04-89,694.20

Finding the Fourth Proportional to 97,865.48, 146,636.04 and 89,694.20

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Solution

The fourth proportional to 97,865.48, 146,636.04 and 89,694.20 is: 134,392.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,865.48 : 146,636.04 = 89,694.20 : x
  2. Step 2: Convert to fraction form
    97,865.48/146,636.04 = 89,694.20/x
  3. Step 3: Cross multiply
    97,865.48x = 146,636.04 × 89,694.20
  4. Step 4: Simplify right side
    97,865.48x = 13,152,402,298.97
  5. Step 5: Solve for x
    x = 13,152,402,298.97/97,865.48
  6. Step 6: Final answer
    x = 134,392.66

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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.