Home / 318,749.04-439,876.92-175,522.38

Finding the Fourth Proportional to 318,749.04, 439,876.92 and 175,522.38

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Solution

The fourth proportional to 318,749.04, 439,876.92 and 175,522.38 is: 242,222.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,749.04 : 439,876.92 = 175,522.38 : x
  2. Step 2: Convert to fraction form
    318,749.04/439,876.92 = 175,522.38/x
  3. Step 3: Cross multiply
    318,749.04x = 439,876.92 × 175,522.38
  4. Step 4: Simplify right side
    318,749.04x = 77,208,243,905.47
  5. Step 5: Solve for x
    x = 77,208,243,905.47/318,749.04
  6. Step 6: Final answer
    x = 242,222.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.