Home / 448,166.18-618,453.63-251,926.67

Finding the Fourth Proportional to 448,166.18, 618,453.63 and 251,926.67

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Solution

The fourth proportional to 448,166.18, 618,453.63 and 251,926.67 is: 347,649.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,166.18 : 618,453.63 = 251,926.67 : x
  2. Step 2: Convert to fraction form
    448,166.18/618,453.63 = 251,926.67/x
  3. Step 3: Cross multiply
    448,166.18x = 618,453.63 × 251,926.67
  4. Step 4: Simplify right side
    448,166.18x = 155,804,960,463.04
  5. Step 5: Solve for x
    x = 155,804,960,463.04/448,166.18
  6. Step 6: Final answer
    x = 347,649.98

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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.