Home / 352,146.31-485,953.08-197,095.30

Finding the Fourth Proportional to 352,146.31, 485,953.08 and 197,095.30

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Solution

The fourth proportional to 352,146.31, 485,953.08 and 197,095.30 is: 271,986.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,146.31 : 485,953.08 = 197,095.30 : x
  2. Step 2: Convert to fraction form
    352,146.31/485,953.08 = 197,095.30/x
  3. Step 3: Cross multiply
    352,146.31x = 485,953.08 × 197,095.30
  4. Step 4: Simplify right side
    352,146.31x = 95,779,068,088.52
  5. Step 5: Solve for x
    x = 95,779,068,088.52/352,146.31
  6. Step 6: Final answer
    x = 271,986.57

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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.