Home / 201,931.10-302,568.60-173,718.80

Finding the Fourth Proportional to 201,931.10, 302,568.60 and 173,718.80

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Solution

The fourth proportional to 201,931.10, 302,568.60 and 173,718.80 is: 260,295.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,931.10 : 302,568.60 = 173,718.80 : x
  2. Step 2: Convert to fraction form
    201,931.10/302,568.60 = 173,718.80/x
  3. Step 3: Cross multiply
    201,931.10x = 302,568.60 × 173,718.80
  4. Step 4: Simplify right side
    201,931.10x = 52,561,854,109.68
  5. Step 5: Solve for x
    x = 52,561,854,109.68/201,931.10
  6. Step 6: Final answer
    x = 260,295.98

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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.