Home / 174,935.40-262,403.10-86,202.60

Finding the Fourth Proportional to 174,935.40, 262,403.10 and 86,202.60

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Solution

The fourth proportional to 174,935.40, 262,403.10 and 86,202.60 is: 129,303.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,935.40 : 262,403.10 = 86,202.60 : x
  2. Step 2: Convert to fraction form
    174,935.40/262,403.10 = 86,202.60/x
  3. Step 3: Cross multiply
    174,935.40x = 262,403.10 × 86,202.60
  4. Step 4: Simplify right side
    174,935.40x = 22,619,829,468.06
  5. Step 5: Solve for x
    x = 22,619,829,468.06/174,935.40
  6. Step 6: Final answer
    x = 129,303.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.