Home / 338,925.90-508,402.02-102,268.58

Finding the Fourth Proportional to 338,925.90, 508,402.02 and 102,268.58

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Solution

The fourth proportional to 338,925.90, 508,402.02 and 102,268.58 is: 153,406.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,925.90 : 508,402.02 = 102,268.58 : x
  2. Step 2: Convert to fraction form
    338,925.90/508,402.02 = 102,268.58/x
  3. Step 3: Cross multiply
    338,925.90x = 508,402.02 × 102,268.58
  4. Step 4: Simplify right side
    338,925.90x = 51,993,552,654.53
  5. Step 5: Solve for x
    x = 51,993,552,654.53/338,925.90
  6. Step 6: Final answer
    x = 153,406.84

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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.