Home / 341,079.42-511,618.77-116,421.21

Finding the Fourth Proportional to 341,079.42, 511,618.77 and 116,421.21

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Solution

The fourth proportional to 341,079.42, 511,618.77 and 116,421.21 is: 174,631.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,079.42 : 511,618.77 = 116,421.21 : x
  2. Step 2: Convert to fraction form
    341,079.42/511,618.77 = 116,421.21/x
  3. Step 3: Cross multiply
    341,079.42x = 511,618.77 × 116,421.21
  4. Step 4: Simplify right side
    341,079.42x = 59,563,276,262.11
  5. Step 5: Solve for x
    x = 59,563,276,262.11/341,079.42
  6. Step 6: Final answer
    x = 174,631.69

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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.