Home / 191,089.68-286,645.92-57,971.04

Finding the Fourth Proportional to 191,089.68, 286,645.92 and 57,971.04

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Solution

The fourth proportional to 191,089.68, 286,645.92 and 57,971.04 is: 86,960.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,089.68 : 286,645.92 = 57,971.04 : x
  2. Step 2: Convert to fraction form
    191,089.68/286,645.92 = 57,971.04/x
  3. Step 3: Cross multiply
    191,089.68x = 286,645.92 × 57,971.04
  4. Step 4: Simplify right side
    191,089.68x = 16,617,162,094.16
  5. Step 5: Solve for x
    x = 16,617,162,094.16/191,089.68
  6. Step 6: Final answer
    x = 86,960.02

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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.