Home / 201,715.40-302,573.10-170,222.60

Finding the Fourth Proportional to 201,715.40, 302,573.10 and 170,222.60

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Solution

The fourth proportional to 201,715.40, 302,573.10 and 170,222.60 is: 255,333.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,715.40 : 302,573.10 = 170,222.60 : x
  2. Step 2: Convert to fraction form
    201,715.40/302,573.10 = 170,222.60/x
  3. Step 3: Cross multiply
    201,715.40x = 302,573.10 × 170,222.60
  4. Step 4: Simplify right side
    201,715.40x = 51,504,779,772.06
  5. Step 5: Solve for x
    x = 51,504,779,772.06/201,715.40
  6. Step 6: Final answer
    x = 255,333.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.