Home / 157,283.93-217,057.93-89,307.21

Finding the Fourth Proportional to 157,283.93, 217,057.93 and 89,307.21

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Solution

The fourth proportional to 157,283.93, 217,057.93 and 89,307.21 is: 123,247.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,283.93 : 217,057.93 = 89,307.21 : x
  2. Step 2: Convert to fraction form
    157,283.93/217,057.93 = 89,307.21/x
  3. Step 3: Cross multiply
    157,283.93x = 217,057.93 × 89,307.21
  4. Step 4: Simplify right side
    157,283.93x = 19,384,837,506.42
  5. Step 5: Solve for x
    x = 19,384,837,506.42/157,283.93
  6. Step 6: Final answer
    x = 123,247.42

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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.