Home / 113,482.64-156,535.08-81,601.04

Finding the Fourth Proportional to 113,482.64, 156,535.08 and 81,601.04

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Solution

The fourth proportional to 113,482.64, 156,535.08 and 81,601.04 is: 112,558.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,482.64 : 156,535.08 = 81,601.04 : x
  2. Step 2: Convert to fraction form
    113,482.64/156,535.08 = 81,601.04/x
  3. Step 3: Cross multiply
    113,482.64x = 156,535.08 × 81,601.04
  4. Step 4: Simplify right side
    113,482.64x = 12,773,425,324.48
  5. Step 5: Solve for x
    x = 12,773,425,324.48/113,482.64
  6. Step 6: Final answer
    x = 112,558.41

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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.