Home / 157,601.32-217,482.24-85,977.07

Finding the Fourth Proportional to 157,601.32, 217,482.24 and 85,977.07

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Solution

The fourth proportional to 157,601.32, 217,482.24 and 85,977.07 is: 118,644.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,601.32 : 217,482.24 = 85,977.07 : x
  2. Step 2: Convert to fraction form
    157,601.32/217,482.24 = 85,977.07/x
  3. Step 3: Cross multiply
    157,601.32x = 217,482.24 × 85,977.07
  4. Step 4: Simplify right side
    157,601.32x = 18,698,485,772.24
  5. Step 5: Solve for x
    x = 18,698,485,772.24/157,601.32
  6. Step 6: Final answer
    x = 118,644.22

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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.