Home / 118,094.64-163,028.76-81,823.59

Finding the Fourth Proportional to 118,094.64, 163,028.76 and 81,823.59

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Solution

The fourth proportional to 118,094.64, 163,028.76 and 81,823.59 is: 112,956.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,094.64 : 163,028.76 = 81,823.59 : x
  2. Step 2: Convert to fraction form
    118,094.64/163,028.76 = 81,823.59/x
  3. Step 3: Cross multiply
    118,094.64x = 163,028.76 × 81,823.59
  4. Step 4: Simplify right side
    118,094.64x = 13,339,598,416.45
  5. Step 5: Solve for x
    x = 13,339,598,416.45/118,094.64
  6. Step 6: Final answer
    x = 112,956.85

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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.