Home / 112,317.94-154,984.08-67,001.32

Finding the Fourth Proportional to 112,317.94, 154,984.08 and 67,001.32

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Solution

The fourth proportional to 112,317.94, 154,984.08 and 67,001.32 is: 92,453.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,317.94 : 154,984.08 = 67,001.32 : x
  2. Step 2: Convert to fraction form
    112,317.94/154,984.08 = 67,001.32/x
  3. Step 3: Cross multiply
    112,317.94x = 154,984.08 × 67,001.32
  4. Step 4: Simplify right side
    112,317.94x = 10,384,137,938.99
  5. Step 5: Solve for x
    x = 10,384,137,938.99/112,317.94
  6. Step 6: Final answer
    x = 92,453.07

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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.