Home / 114,308.08-171,725.28-81,110.32

Finding the Fourth Proportional to 114,308.08, 171,725.28 and 81,110.32

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Solution

The fourth proportional to 114,308.08, 171,725.28 and 81,110.32 is: 121,852.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,308.08 : 171,725.28 = 81,110.32 : x
  2. Step 2: Convert to fraction form
    114,308.08/171,725.28 = 81,110.32/x
  3. Step 3: Cross multiply
    114,308.08x = 171,725.28 × 81,110.32
  4. Step 4: Simplify right side
    114,308.08x = 13,928,692,412.89
  5. Step 5: Solve for x
    x = 13,928,692,412.89/114,308.08
  6. Step 6: Final answer
    x = 121,852.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.