Home / 101,093.10-151,340.13-74,915.34

Finding the Fourth Proportional to 101,093.10, 151,340.13 and 74,915.34

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Solution

The fourth proportional to 101,093.10, 151,340.13 and 74,915.34 is: 112,151.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,093.10 : 151,340.13 = 74,915.34 : x
  2. Step 2: Convert to fraction form
    101,093.10/151,340.13 = 74,915.34/x
  3. Step 3: Cross multiply
    101,093.10x = 151,340.13 × 74,915.34
  4. Step 4: Simplify right side
    101,093.10x = 11,337,697,294.59
  5. Step 5: Solve for x
    x = 11,337,697,294.59/101,093.10
  6. Step 6: Final answer
    x = 112,151.05

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1.5x scale

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.