Home / 429,913.16-644,868.98-114,370.08

Finding the Fourth Proportional to 429,913.16, 644,868.98 and 114,370.08

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Solution

The fourth proportional to 429,913.16, 644,868.98 and 114,370.08 is: 171,554.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,913.16 : 644,868.98 = 114,370.08 : x
  2. Step 2: Convert to fraction form
    429,913.16/644,868.98 = 114,370.08/x
  3. Step 3: Cross multiply
    429,913.16x = 644,868.98 × 114,370.08
  4. Step 4: Simplify right side
    429,913.16x = 73,753,716,832.12
  5. Step 5: Solve for x
    x = 73,753,716,832.12/429,913.16
  6. Step 6: Final answer
    x = 171,554.92

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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.