Home / 196,826.57-271,620-110,785.51

Finding the Fourth Proportional to 196,826.57, 271,620 and 110,785.51

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Solution

The fourth proportional to 196,826.57, 271,620 and 110,785.51 is: 152,883.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,826.57 : 271,620 = 110,785.51 : x
  2. Step 2: Convert to fraction form
    196,826.57/271,620 = 110,785.51/x
  3. Step 3: Cross multiply
    196,826.57x = 271,620 × 110,785.51
  4. Step 4: Simplify right side
    196,826.57x = 30,091,559,547.15
  5. Step 5: Solve for x
    x = 30,091,559,547.15/196,826.57
  6. Step 6: Final answer
    x = 152,883.62

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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.