Home / 165,059.10-247,588.65-153,905.40

Finding the Fourth Proportional to 165,059.10, 247,588.65 and 153,905.40

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Solution

The fourth proportional to 165,059.10, 247,588.65 and 153,905.40 is: 230,858.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,059.10 : 247,588.65 = 153,905.40 : x
  2. Step 2: Convert to fraction form
    165,059.10/247,588.65 = 153,905.40/x
  3. Step 3: Cross multiply
    165,059.10x = 247,588.65 × 153,905.40
  4. Step 4: Simplify right side
    165,059.10x = 38,105,230,213.71
  5. Step 5: Solve for x
    x = 38,105,230,213.71/165,059.10
  6. Step 6: Final answer
    x = 230,858.10

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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.