Home / 157,927.30-236,929.86-111,271.30

Finding the Fourth Proportional to 157,927.30, 236,929.86 and 111,271.30

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Solution

The fourth proportional to 157,927.30, 236,929.86 and 111,271.30 is: 166,934.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,927.30 : 236,929.86 = 111,271.30 : x
  2. Step 2: Convert to fraction form
    157,927.30/236,929.86 = 111,271.30/x
  3. Step 3: Cross multiply
    157,927.30x = 236,929.86 × 111,271.30
  4. Step 4: Simplify right side
    157,927.30x = 26,363,493,531.02
  5. Step 5: Solve for x
    x = 26,363,493,531.02/157,927.30
  6. Step 6: Final answer
    x = 166,934.36

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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.