Home / 191,331.60-286,997.40-168,003.60

Finding the Fourth Proportional to 191,331.60, 286,997.40 and 168,003.60

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Solution

The fourth proportional to 191,331.60, 286,997.40 and 168,003.60 is: 252,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,331.60 : 286,997.40 = 168,003.60 : x
  2. Step 2: Convert to fraction form
    191,331.60/286,997.40 = 168,003.60/x
  3. Step 3: Cross multiply
    191,331.60x = 286,997.40 × 168,003.60
  4. Step 4: Simplify right side
    191,331.60x = 48,216,596,390.64
  5. Step 5: Solve for x
    x = 48,216,596,390.64/191,331.60
  6. Step 6: Final answer
    x = 252,005.40

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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.