Home / 323,146.50-445,826.74-187,106.19

Finding the Fourth Proportional to 323,146.50, 445,826.74 and 187,106.19

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Solution

The fourth proportional to 323,146.50, 445,826.74 and 187,106.19 is: 258,139.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,146.50 : 445,826.74 = 187,106.19 : x
  2. Step 2: Convert to fraction form
    323,146.50/445,826.74 = 187,106.19/x
  3. Step 3: Cross multiply
    323,146.50x = 445,826.74 × 187,106.19
  4. Step 4: Simplify right side
    323,146.50x = 83,416,941,785.99
  5. Step 5: Solve for x
    x = 83,416,941,785.99/323,146.50
  6. Step 6: Final answer
    x = 258,139.70

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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.