Home / 191,226.92-286,840.08-91,083.40

Finding the Fourth Proportional to 191,226.92, 286,840.08 and 91,083.40

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Solution

The fourth proportional to 191,226.92, 286,840.08 and 91,083.40 is: 136,624.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,226.92 : 286,840.08 = 91,083.40 : x
  2. Step 2: Convert to fraction form
    191,226.92/286,840.08 = 91,083.40/x
  3. Step 3: Cross multiply
    191,226.92x = 286,840.08 × 91,083.40
  4. Step 4: Simplify right side
    191,226.92x = 26,126,369,742.67
  5. Step 5: Solve for x
    x = 26,126,369,742.67/191,226.92
  6. Step 6: Final answer
    x = 136,624.96

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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.