Home / 186,775.24-257,714.58-111,330.76

Finding the Fourth Proportional to 186,775.24, 257,714.58 and 111,330.76

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Solution

The fourth proportional to 186,775.24, 257,714.58 and 111,330.76 is: 153,615.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,775.24 : 257,714.58 = 111,330.76 : x
  2. Step 2: Convert to fraction form
    186,775.24/257,714.58 = 111,330.76/x
  3. Step 3: Cross multiply
    186,775.24x = 257,714.58 × 111,330.76
  4. Step 4: Simplify right side
    186,775.24x = 28,691,560,054.48
  5. Step 5: Solve for x
    x = 28,691,560,054.48/186,775.24
  6. Step 6: Final answer
    x = 153,615.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.