Home / 191,032.68-286,450.50-85,761.36

Finding the Fourth Proportional to 191,032.68, 286,450.50 and 85,761.36

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Solution

The fourth proportional to 191,032.68, 286,450.50 and 85,761.36 is: 128,597.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,032.68 : 286,450.50 = 85,761.36 : x
  2. Step 2: Convert to fraction form
    191,032.68/286,450.50 = 85,761.36/x
  3. Step 3: Cross multiply
    191,032.68x = 286,450.50 × 85,761.36
  4. Step 4: Simplify right side
    191,032.68x = 24,566,384,452.68
  5. Step 5: Solve for x
    x = 24,566,384,452.68/191,032.68
  6. Step 6: Final answer
    x = 128,597.81

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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.