Home / 340,914.71-470,358.02-197,646.15

Finding the Fourth Proportional to 340,914.71, 470,358.02 and 197,646.15

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Solution

The fourth proportional to 340,914.71, 470,358.02 and 197,646.15 is: 272,691.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,914.71 : 470,358.02 = 197,646.15 : x
  2. Step 2: Convert to fraction form
    340,914.71/470,358.02 = 197,646.15/x
  3. Step 3: Cross multiply
    340,914.71x = 470,358.02 × 197,646.15
  4. Step 4: Simplify right side
    340,914.71x = 92,964,452,268.74
  5. Step 5: Solve for x
    x = 92,964,452,268.74/340,914.71
  6. Step 6: Final answer
    x = 272,691.24

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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.