Home / 165,683.04-228,444.72-135,356.64

Finding the Fourth Proportional to 165,683.04, 228,444.72 and 135,356.64

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Solution

The fourth proportional to 165,683.04, 228,444.72 and 135,356.64 is: 186,630.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,683.04 : 228,444.72 = 135,356.64 : x
  2. Step 2: Convert to fraction form
    165,683.04/228,444.72 = 135,356.64/x
  3. Step 3: Cross multiply
    165,683.04x = 228,444.72 × 135,356.64
  4. Step 4: Simplify right side
    165,683.04x = 30,921,509,724.94
  5. Step 5: Solve for x
    x = 30,921,509,724.94/165,683.04
  6. Step 6: Final answer
    x = 186,630.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.