Home / 207,670.45-286,585.05-112,177.12

Finding the Fourth Proportional to 207,670.45, 286,585.05 and 112,177.12

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Solution

The fourth proportional to 207,670.45, 286,585.05 and 112,177.12 is: 154,804.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,670.45 : 286,585.05 = 112,177.12 : x
  2. Step 2: Convert to fraction form
    207,670.45/286,585.05 = 112,177.12/x
  3. Step 3: Cross multiply
    207,670.45x = 286,585.05 × 112,177.12
  4. Step 4: Simplify right side
    207,670.45x = 32,148,285,544.06
  5. Step 5: Solve for x
    x = 32,148,285,544.06/207,670.45
  6. Step 6: Final answer
    x = 154,804.33

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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.