Home / 213,767.36-295,007.64-118,272.50

Finding the Fourth Proportional to 213,767.36, 295,007.64 and 118,272.50

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Solution

The fourth proportional to 213,767.36, 295,007.64 and 118,272.50 is: 163,220.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,767.36 : 295,007.64 = 118,272.50 : x
  2. Step 2: Convert to fraction form
    213,767.36/295,007.64 = 118,272.50/x
  3. Step 3: Cross multiply
    213,767.36x = 295,007.64 × 118,272.50
  4. Step 4: Simplify right side
    213,767.36x = 34,891,291,101.90
  5. Step 5: Solve for x
    x = 34,891,291,101.90/213,767.36
  6. Step 6: Final answer
    x = 163,220.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.