Home / 340,411.24-469,784.10-197,145.64

Finding the Fourth Proportional to 340,411.24, 469,784.10 and 197,145.64

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Solution

The fourth proportional to 340,411.24, 469,784.10 and 197,145.64 is: 272,070.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,411.24 : 469,784.10 = 197,145.64 : x
  2. Step 2: Convert to fraction form
    340,411.24/469,784.10 = 197,145.64/x
  3. Step 3: Cross multiply
    340,411.24x = 469,784.10 × 197,145.64
  4. Step 4: Simplify right side
    340,411.24x = 92,615,887,056.32
  5. Step 5: Solve for x
    x = 92,615,887,056.32/340,411.24
  6. Step 6: Final answer
    x = 272,070.59

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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.