Home / 346,577.21-519,915.39-106,711.40

Finding the Fourth Proportional to 346,577.21, 519,915.39 and 106,711.40

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Solution

The fourth proportional to 346,577.21, 519,915.39 and 106,711.40 is: 160,082.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,577.21 : 519,915.39 = 106,711.40 : x
  2. Step 2: Convert to fraction form
    346,577.21/519,915.39 = 106,711.40/x
  3. Step 3: Cross multiply
    346,577.21x = 519,915.39 × 106,711.40
  4. Step 4: Simplify right side
    346,577.21x = 55,480,896,548.87
  5. Step 5: Solve for x
    x = 55,480,896,548.87/346,577.21
  6. Step 6: Final answer
    x = 160,082.36

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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.