Home / 112,199.36-154,824.36-61,895.12

Finding the Fourth Proportional to 112,199.36, 154,824.36 and 61,895.12

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Solution

The fourth proportional to 112,199.36, 154,824.36 and 61,895.12 is: 85,409.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,199.36 : 154,824.36 = 61,895.12 : x
  2. Step 2: Convert to fraction form
    112,199.36/154,824.36 = 61,895.12/x
  3. Step 3: Cross multiply
    112,199.36x = 154,824.36 × 61,895.12
  4. Step 4: Simplify right side
    112,199.36x = 9,582,872,341.12
  5. Step 5: Solve for x
    x = 9,582,872,341.12/112,199.36
  6. Step 6: Final answer
    x = 85,409.33

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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.