Home / 207,623.07-286,519.82-112,129.77

Finding the Fourth Proportional to 207,623.07, 286,519.82 and 112,129.77

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Solution

The fourth proportional to 207,623.07, 286,519.82 and 112,129.77 is: 154,739.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,623.07 : 286,519.82 = 112,129.77 : x
  2. Step 2: Convert to fraction form
    207,623.07/286,519.82 = 112,129.77/x
  3. Step 3: Cross multiply
    207,623.07x = 286,519.82 × 112,129.77
  4. Step 4: Simplify right side
    207,623.07x = 32,127,400,956.39
  5. Step 5: Solve for x
    x = 32,127,400,956.39/207,623.07
  6. Step 6: Final answer
    x = 154,739.07

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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.