Home / 191,020.16-286,532.40-57,899.36

Finding the Fourth Proportional to 191,020.16, 286,532.40 and 57,899.36

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Solution

The fourth proportional to 191,020.16, 286,532.40 and 57,899.36 is: 86,849.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,020.16 : 286,532.40 = 57,899.36 : x
  2. Step 2: Convert to fraction form
    191,020.16/286,532.40 = 57,899.36/x
  3. Step 3: Cross multiply
    191,020.16x = 286,532.40 × 57,899.36
  4. Step 4: Simplify right side
    191,020.16x = 16,590,042,579.26
  5. Step 5: Solve for x
    x = 16,590,042,579.26/191,020.16
  6. Step 6: Final answer
    x = 86,849.69

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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.