Home / 238,895.83-358,343.63-87,104.26

Finding the Fourth Proportional to 238,895.83, 358,343.63 and 87,104.26

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Solution

The fourth proportional to 238,895.83, 358,343.63 and 87,104.26 is: 130,656.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,895.83 : 358,343.63 = 87,104.26 : x
  2. Step 2: Convert to fraction form
    238,895.83/358,343.63 = 87,104.26/x
  3. Step 3: Cross multiply
    238,895.83x = 358,343.63 × 87,104.26
  4. Step 4: Simplify right side
    238,895.83x = 31,213,257,055.91
  5. Step 5: Solve for x
    x = 31,213,257,055.91/238,895.83
  6. Step 6: Final answer
    x = 130,656.35

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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.