Home / 194,032.36-291,048.66-87,291.64

Finding the Fourth Proportional to 194,032.36, 291,048.66 and 87,291.64

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Solution

The fourth proportional to 194,032.36, 291,048.66 and 87,291.64 is: 130,937.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,032.36 : 291,048.66 = 87,291.64 : x
  2. Step 2: Convert to fraction form
    194,032.36/291,048.66 = 87,291.64/x
  3. Step 3: Cross multiply
    194,032.36x = 291,048.66 × 87,291.64
  4. Step 4: Simplify right side
    194,032.36x = 25,406,114,851.20
  5. Step 5: Solve for x
    x = 25,406,114,851.20/194,032.36
  6. Step 6: Final answer
    x = 130,937.51

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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.