Home / 213,908.81-295,197.64-117,111.03

Finding the Fourth Proportional to 213,908.81, 295,197.64 and 117,111.03

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Solution

The fourth proportional to 213,908.81, 295,197.64 and 117,111.03 is: 161,615.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,908.81 : 295,197.64 = 117,111.03 : x
  2. Step 2: Convert to fraction form
    213,908.81/295,197.64 = 117,111.03/x
  3. Step 3: Cross multiply
    213,908.81x = 295,197.64 × 117,111.03
  4. Step 4: Simplify right side
    213,908.81x = 34,570,899,381.19
  5. Step 5: Solve for x
    x = 34,570,899,381.19/213,908.81
  6. Step 6: Final answer
    x = 161,615.13

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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.