Home / 165,316.10-247,777.31-115,124.45

Finding the Fourth Proportional to 165,316.10, 247,777.31 and 115,124.45

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Solution

The fourth proportional to 165,316.10, 247,777.31 and 115,124.45 is: 172,549.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,316.10 : 247,777.31 = 115,124.45 : x
  2. Step 2: Convert to fraction form
    165,316.10/247,777.31 = 115,124.45/x
  3. Step 3: Cross multiply
    165,316.10x = 247,777.31 × 115,124.45
  4. Step 4: Simplify right side
    165,316.10x = 28,525,225,585.15
  5. Step 5: Solve for x
    x = 28,525,225,585.15/165,316.10
  6. Step 6: Final answer
    x = 172,549.60

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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.