Home / 116,400.51-174,666.38-115,511.13

Finding the Fourth Proportional to 116,400.51, 174,666.38 and 115,511.13

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Solution

The fourth proportional to 116,400.51, 174,666.38 and 115,511.13 is: 173,331.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,400.51 : 174,666.38 = 115,511.13 : x
  2. Step 2: Convert to fraction form
    116,400.51/174,666.38 = 115,511.13/x
  3. Step 3: Cross multiply
    116,400.51x = 174,666.38 × 115,511.13
  4. Step 4: Simplify right side
    116,400.51x = 20,175,910,349.25
  5. Step 5: Solve for x
    x = 20,175,910,349.25/116,400.51
  6. Step 6: Final answer
    x = 173,331.80

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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.