Home / 207,623.85-286,520.83-112,130.56

Finding the Fourth Proportional to 207,623.85, 286,520.83 and 112,130.56

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Solution

The fourth proportional to 207,623.85, 286,520.83 and 112,130.56 is: 154,740.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,623.85 : 286,520.83 = 112,130.56 : x
  2. Step 2: Convert to fraction form
    207,623.85/286,520.83 = 112,130.56/x
  3. Step 3: Cross multiply
    207,623.85x = 286,520.83 × 112,130.56
  4. Step 4: Simplify right side
    207,623.85x = 32,127,741,119.56
  5. Step 5: Solve for x
    x = 32,127,741,119.56/207,623.85
  6. Step 6: Final answer
    x = 154,740.13

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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.