Home / 191,278.40-286,683.36-107,998.40

Finding the Fourth Proportional to 191,278.40, 286,683.36 and 107,998.40

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Solution

The fourth proportional to 191,278.40, 286,683.36 and 107,998.40 is: 161,865.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,278.40 : 286,683.36 = 107,998.40 : x
  2. Step 2: Convert to fraction form
    191,278.40/286,683.36 = 107,998.40/x
  3. Step 3: Cross multiply
    191,278.40x = 286,683.36 × 107,998.40
  4. Step 4: Simplify right side
    191,278.40x = 30,961,344,186.62
  5. Step 5: Solve for x
    x = 30,961,344,186.62/191,278.40
  6. Step 6: Final answer
    x = 161,865.34

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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.