Home / 112,193.10-154,824.21-64,445.22

Finding the Fourth Proportional to 112,193.10, 154,824.21 and 64,445.22

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Solution

The fourth proportional to 112,193.10, 154,824.21 and 64,445.22 is: 88,933.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,193.10 : 154,824.21 = 64,445.22 : x
  2. Step 2: Convert to fraction form
    112,193.10/154,824.21 = 64,445.22/x
  3. Step 3: Cross multiply
    112,193.10x = 154,824.21 × 64,445.22
  4. Step 4: Simplify right side
    112,193.10x = 9,977,680,274.78
  5. Step 5: Solve for x
    x = 9,977,680,274.78/112,193.10
  6. Step 6: Final answer
    x = 88,933.10

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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.