Home / 165,078.10-247,617.15-153,924.40

Finding the Fourth Proportional to 165,078.10, 247,617.15 and 153,924.40

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Solution

The fourth proportional to 165,078.10, 247,617.15 and 153,924.40 is: 230,886.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,078.10 : 247,617.15 = 153,924.40 : x
  2. Step 2: Convert to fraction form
    165,078.10/247,617.15 = 153,924.40/x
  3. Step 3: Cross multiply
    165,078.10x = 247,617.15 × 153,924.40
  4. Step 4: Simplify right side
    165,078.10x = 38,114,321,243.46
  5. Step 5: Solve for x
    x = 38,114,321,243.46/165,078.10
  6. Step 6: Final answer
    x = 230,886.60

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1.5x scale

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.