Home / 338,895.64-507,988.74-114,178.42

Finding the Fourth Proportional to 338,895.64, 507,988.74 and 114,178.42

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Solution

The fourth proportional to 338,895.64, 507,988.74 and 114,178.42 is: 171,148.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,895.64 : 507,988.74 = 114,178.42 : x
  2. Step 2: Convert to fraction form
    338,895.64/507,988.74 = 114,178.42/x
  3. Step 3: Cross multiply
    338,895.64x = 507,988.74 × 114,178.42
  4. Step 4: Simplify right side
    338,895.64x = 58,001,351,710.99
  5. Step 5: Solve for x
    x = 58,001,351,710.99/338,895.64
  6. Step 6: Final answer
    x = 171,148.12

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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.