Home / 116,581.69-174,875.49-87,186.13

Finding the Fourth Proportional to 116,581.69, 174,875.49 and 87,186.13

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Solution

The fourth proportional to 116,581.69, 174,875.49 and 87,186.13 is: 130,781.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,581.69 : 174,875.49 = 87,186.13 : x
  2. Step 2: Convert to fraction form
    116,581.69/174,875.49 = 87,186.13/x
  3. Step 3: Cross multiply
    116,581.69x = 174,875.49 × 87,186.13
  4. Step 4: Simplify right side
    116,581.69x = 15,246,717,204.95
  5. Step 5: Solve for x
    x = 15,246,717,204.95/116,581.69
  6. Step 6: Final answer
    x = 130,781.40

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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.