Home / 111,085.20-166,627.80-92,714.40

Finding the Fourth Proportional to 111,085.20, 166,627.80 and 92,714.40

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Solution

The fourth proportional to 111,085.20, 166,627.80 and 92,714.40 is: 139,071.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,085.20 : 166,627.80 = 92,714.40 : x
  2. Step 2: Convert to fraction form
    111,085.20/166,627.80 = 92,714.40/x
  3. Step 3: Cross multiply
    111,085.20x = 166,627.80 × 92,714.40
  4. Step 4: Simplify right side
    111,085.20x = 15,448,796,500.32
  5. Step 5: Solve for x
    x = 15,448,796,500.32/111,085.20
  6. Step 6: Final answer
    x = 139,071.60

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1.5x scale

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.