Home / 314,867.12-472,333.98-115,205.36

Finding the Fourth Proportional to 314,867.12, 472,333.98 and 115,205.36

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Solution

The fourth proportional to 314,867.12, 472,333.98 and 115,205.36 is: 172,820.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,867.12 : 472,333.98 = 115,205.36 : x
  2. Step 2: Convert to fraction form
    314,867.12/472,333.98 = 115,205.36/x
  3. Step 3: Cross multiply
    314,867.12x = 472,333.98 × 115,205.36
  4. Step 4: Simplify right side
    314,867.12x = 54,415,406,206.13
  5. Step 5: Solve for x
    x = 54,415,406,206.13/314,867.12
  6. Step 6: Final answer
    x = 172,820.22

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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.