Home / 213,890.67-295,165.53-118,395.32

Finding the Fourth Proportional to 213,890.67, 295,165.53 and 118,395.32

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Solution

The fourth proportional to 213,890.67, 295,165.53 and 118,395.32 is: 163,383.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,890.67 : 295,165.53 = 118,395.32 : x
  2. Step 2: Convert to fraction form
    213,890.67/295,165.53 = 118,395.32/x
  3. Step 3: Cross multiply
    213,890.67x = 295,165.53 × 118,395.32
  4. Step 4: Simplify right side
    213,890.67x = 34,946,215,901.49
  5. Step 5: Solve for x
    x = 34,946,215,901.49/213,890.67
  6. Step 6: Final answer
    x = 163,383.54

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1.5x scale

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.