Home / 219,069.36-328,363.02-85,924.80

Finding the Fourth Proportional to 219,069.36, 328,363.02 and 85,924.80

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Solution

The fourth proportional to 219,069.36, 328,363.02 and 85,924.80 is: 128,792.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,069.36 : 328,363.02 = 85,924.80 : x
  2. Step 2: Convert to fraction form
    219,069.36/328,363.02 = 85,924.80/x
  3. Step 3: Cross multiply
    219,069.36x = 328,363.02 × 85,924.80
  4. Step 4: Simplify right side
    219,069.36x = 28,214,526,820.90
  5. Step 5: Solve for x
    x = 28,214,526,820.90/219,069.36
  6. Step 6: Final answer
    x = 128,792.67

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1.5x scale

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.