Home / 118,638.32-177,929.36-34,376.16

Finding the Fourth Proportional to 118,638.32, 177,929.36 and 34,376.16

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Solution

The fourth proportional to 118,638.32, 177,929.36 and 34,376.16 is: 51,556.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,638.32 : 177,929.36 = 34,376.16 : x
  2. Step 2: Convert to fraction form
    118,638.32/177,929.36 = 34,376.16/x
  3. Step 3: Cross multiply
    118,638.32x = 177,929.36 × 34,376.16
  4. Step 4: Simplify right side
    118,638.32x = 6,116,528,148.06
  5. Step 5: Solve for x
    x = 6,116,528,148.06/118,638.32
  6. Step 6: Final answer
    x = 51,556.09

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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.