Home / 191,221.93-286,832.58-91,078.39

Finding the Fourth Proportional to 191,221.93, 286,832.58 and 91,078.39

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Solution

The fourth proportional to 191,221.93, 286,832.58 and 91,078.39 is: 136,617.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,221.93 : 286,832.58 = 91,078.39 : x
  2. Step 2: Convert to fraction form
    191,221.93/286,832.58 = 91,078.39/x
  3. Step 3: Cross multiply
    191,221.93x = 286,832.58 × 91,078.39
  4. Step 4: Simplify right side
    191,221.93x = 26,124,249,585.95
  5. Step 5: Solve for x
    x = 26,124,249,585.95/191,221.93
  6. Step 6: Final answer
    x = 136,617.43

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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.