Home / 157,444.02-217,274.94-85,823.89

Finding the Fourth Proportional to 157,444.02, 217,274.94 and 85,823.89

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Solution

The fourth proportional to 157,444.02, 217,274.94 and 85,823.89 is: 118,438.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,444.02 : 217,274.94 = 85,823.89 : x
  2. Step 2: Convert to fraction form
    157,444.02/217,274.94 = 85,823.89/x
  3. Step 3: Cross multiply
    157,444.02x = 217,274.94 × 85,823.89
  4. Step 4: Simplify right side
    157,444.02x = 18,647,380,007.13
  5. Step 5: Solve for x
    x = 18,647,380,007.13/157,444.02
  6. Step 6: Final answer
    x = 118,438.16

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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.