Home / 157,918.53-217,966.31-89,975.60

Finding the Fourth Proportional to 157,918.53, 217,966.31 and 89,975.60

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Solution

The fourth proportional to 157,918.53, 217,966.31 and 89,975.60 is: 124,188.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,918.53 : 217,966.31 = 89,975.60 : x
  2. Step 2: Convert to fraction form
    157,918.53/217,966.31 = 89,975.60/x
  3. Step 3: Cross multiply
    157,918.53x = 217,966.31 × 89,975.60
  4. Step 4: Simplify right side
    157,918.53x = 19,611,649,522.04
  5. Step 5: Solve for x
    x = 19,611,649,522.04/157,918.53
  6. Step 6: Final answer
    x = 124,188.40

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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.