Home / 145,920.50-201,367.60-82,258.35

Finding the Fourth Proportional to 145,920.50, 201,367.60 and 82,258.35

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Solution

The fourth proportional to 145,920.50, 201,367.60 and 82,258.35 is: 113,515.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,920.50 : 201,367.60 = 82,258.35 : x
  2. Step 2: Convert to fraction form
    145,920.50/201,367.60 = 82,258.35/x
  3. Step 3: Cross multiply
    145,920.50x = 201,367.60 × 82,258.35
  4. Step 4: Simplify right side
    145,920.50x = 16,564,165,558.69
  5. Step 5: Solve for x
    x = 16,564,165,558.69/145,920.50
  6. Step 6: Final answer
    x = 113,515.00

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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.