Home / 207,663.45-286,575.56-112,170.14

Finding the Fourth Proportional to 207,663.45, 286,575.56 and 112,170.14

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Solution

The fourth proportional to 207,663.45, 286,575.56 and 112,170.14 is: 154,794.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,663.45 : 286,575.56 = 112,170.14 : x
  2. Step 2: Convert to fraction form
    207,663.45/286,575.56 = 112,170.14/x
  3. Step 3: Cross multiply
    207,663.45x = 286,575.56 × 112,170.14
  4. Step 4: Simplify right side
    207,663.45x = 32,145,220,835.60
  5. Step 5: Solve for x
    x = 32,145,220,835.60/207,663.45
  6. Step 6: Final answer
    x = 154,794.80

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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.