Home / 443,386.07-665,344.06-162,931.67

Finding the Fourth Proportional to 443,386.07, 665,344.06 and 162,931.67

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Solution

The fourth proportional to 443,386.07, 665,344.06 and 162,931.67 is: 244,494.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,386.07 : 665,344.06 = 162,931.67 : x
  2. Step 2: Convert to fraction form
    443,386.07/665,344.06 = 162,931.67/x
  3. Step 3: Cross multiply
    443,386.07x = 665,344.06 × 162,931.67
  4. Step 4: Simplify right side
    443,386.07x = 108,405,618,820.38
  5. Step 5: Solve for x
    x = 108,405,618,820.38/443,386.07
  6. Step 6: Final answer
    x = 244,494.87

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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.