Home / 99,564.30-149,346.45-94,971.60

Finding the Fourth Proportional to 99,564.30, 149,346.45 and 94,971.60

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Solution

The fourth proportional to 99,564.30, 149,346.45 and 94,971.60 is: 142,457.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,564.30 : 149,346.45 = 94,971.60 : x
  2. Step 2: Convert to fraction form
    99,564.30/149,346.45 = 94,971.60/x
  3. Step 3: Cross multiply
    99,564.30x = 149,346.45 × 94,971.60
  4. Step 4: Simplify right side
    99,564.30x = 14,183,671,310.82
  5. Step 5: Solve for x
    x = 14,183,671,310.82/99,564.30
  6. Step 6: Final answer
    x = 142,457.40

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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.