Home / 191,083.51-286,666.04-64,719.33

Finding the Fourth Proportional to 191,083.51, 286,666.04 and 64,719.33

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Solution

The fourth proportional to 191,083.51, 286,666.04 and 64,719.33 is: 97,092.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,083.51 : 286,666.04 = 64,719.33 : x
  2. Step 2: Convert to fraction form
    191,083.51/286,666.04 = 64,719.33/x
  3. Step 3: Cross multiply
    191,083.51x = 286,666.04 × 64,719.33
  4. Step 4: Simplify right side
    191,083.51x = 18,552,834,042.55
  5. Step 5: Solve for x
    x = 18,552,834,042.55/191,083.51
  6. Step 6: Final answer
    x = 97,092.81

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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.