Home / 157,444.08-217,271.43-85,824.06

Finding the Fourth Proportional to 157,444.08, 217,271.43 and 85,824.06

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Solution

The fourth proportional to 157,444.08, 217,271.43 and 85,824.06 is: 118,436.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,444.08 : 217,271.43 = 85,824.06 : x
  2. Step 2: Convert to fraction form
    157,444.08/217,271.43 = 85,824.06/x
  3. Step 3: Cross multiply
    157,444.08x = 217,271.43 × 85,824.06
  4. Step 4: Simplify right side
    157,444.08x = 18,647,116,244.61
  5. Step 5: Solve for x
    x = 18,647,116,244.61/157,444.08
  6. Step 6: Final answer
    x = 118,436.44

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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.