Home / 318,370.65-439,349.04-175,127.55

Finding the Fourth Proportional to 318,370.65, 439,349.04 and 175,127.55

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Solution

The fourth proportional to 318,370.65, 439,349.04 and 175,127.55 is: 241,674.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,370.65 : 439,349.04 = 175,127.55 : x
  2. Step 2: Convert to fraction form
    318,370.65/439,349.04 = 175,127.55/x
  3. Step 3: Cross multiply
    318,370.65x = 439,349.04 × 175,127.55
  4. Step 4: Simplify right side
    318,370.65x = 76,942,120,970.05
  5. Step 5: Solve for x
    x = 76,942,120,970.05/318,370.65
  6. Step 6: Final answer
    x = 241,674.67

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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.