Home / 112,307.20-154,928.04-66,953.24

Finding the Fourth Proportional to 112,307.20, 154,928.04 and 66,953.24

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Solution

The fourth proportional to 112,307.20, 154,928.04 and 66,953.24 is: 92,362.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,307.20 : 154,928.04 = 66,953.24 : x
  2. Step 2: Convert to fraction form
    112,307.20/154,928.04 = 66,953.24/x
  3. Step 3: Cross multiply
    112,307.20x = 154,928.04 × 66,953.24
  4. Step 4: Simplify right side
    112,307.20x = 10,372,934,244.85
  5. Step 5: Solve for x
    x = 10,372,934,244.85/112,307.20
  6. Step 6: Final answer
    x = 92,362.15

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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.