Home / 112,208.08-154,856.40-63,825.16

Finding the Fourth Proportional to 112,208.08, 154,856.40 and 63,825.16

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Solution

The fourth proportional to 112,208.08, 154,856.40 and 63,825.16 is: 88,083.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,208.08 : 154,856.40 = 63,825.16 : x
  2. Step 2: Convert to fraction form
    112,208.08/154,856.40 = 63,825.16/x
  3. Step 3: Cross multiply
    112,208.08x = 154,856.40 × 63,825.16
  4. Step 4: Simplify right side
    112,208.08x = 9,883,734,507.02
  5. Step 5: Solve for x
    x = 9,883,734,507.02/112,208.08
  6. Step 6: Final answer
    x = 88,083.98

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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.