Home / 228,546.88-315,290.02-148,000.35

Finding the Fourth Proportional to 228,546.88, 315,290.02 and 148,000.35

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Solution

The fourth proportional to 228,546.88, 315,290.02 and 148,000.35 is: 204,172.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,546.88 : 315,290.02 = 148,000.35 : x
  2. Step 2: Convert to fraction form
    228,546.88/315,290.02 = 148,000.35/x
  3. Step 3: Cross multiply
    228,546.88x = 315,290.02 × 148,000.35
  4. Step 4: Simplify right side
    228,546.88x = 46,663,033,311.51
  5. Step 5: Solve for x
    x = 46,663,033,311.51/228,546.88
  6. Step 6: Final answer
    x = 204,172.70

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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.