Home / 238,743.16-358,166.64-78,826.07

Finding the Fourth Proportional to 238,743.16, 358,166.64 and 78,826.07

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Solution

The fourth proportional to 238,743.16, 358,166.64 and 78,826.07 is: 118,256.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,743.16 : 358,166.64 = 78,826.07 : x
  2. Step 2: Convert to fraction form
    238,743.16/358,166.64 = 78,826.07/x
  3. Step 3: Cross multiply
    238,743.16x = 358,166.64 × 78,826.07
  4. Step 4: Simplify right side
    238,743.16x = 28,232,868,636.30
  5. Step 5: Solve for x
    x = 28,232,868,636.30/238,743.16
  6. Step 6: Final answer
    x = 118,256.24

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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.