Home / 340,681.76-470,137.02-193,505.56

Finding the Fourth Proportional to 340,681.76, 470,137.02 and 193,505.56

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Solution

The fourth proportional to 340,681.76, 470,137.02 and 193,505.56 is: 267,035.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,681.76 : 470,137.02 = 193,505.56 : x
  2. Step 2: Convert to fraction form
    340,681.76/470,137.02 = 193,505.56/x
  3. Step 3: Cross multiply
    340,681.76x = 470,137.02 × 193,505.56
  4. Step 4: Simplify right side
    340,681.76x = 90,974,127,331.83
  5. Step 5: Solve for x
    x = 90,974,127,331.83/340,681.76
  6. Step 6: Final answer
    x = 267,035.51

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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.