Home / 383,647.03-575,554.85-117,428.08

Finding the Fourth Proportional to 383,647.03, 575,554.85 and 117,428.08

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Solution

The fourth proportional to 383,647.03, 575,554.85 and 117,428.08 is: 176,167.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,647.03 : 575,554.85 = 117,428.08 : x
  2. Step 2: Convert to fraction form
    383,647.03/575,554.85 = 117,428.08/x
  3. Step 3: Cross multiply
    383,647.03x = 575,554.85 × 117,428.08
  4. Step 4: Simplify right side
    383,647.03x = 67,586,300,970.19
  5. Step 5: Solve for x
    x = 67,586,300,970.19/383,647.03
  6. Step 6: Final answer
    x = 176,167.92

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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.