Home / 219,024.18-328,538.88-85,967.10

Finding the Fourth Proportional to 219,024.18, 328,538.88 and 85,967.10

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Solution

The fourth proportional to 219,024.18, 328,538.88 and 85,967.10 is: 128,951.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,024.18 : 328,538.88 = 85,967.10 : x
  2. Step 2: Convert to fraction form
    219,024.18/328,538.88 = 85,967.10/x
  3. Step 3: Cross multiply
    219,024.18x = 328,538.88 × 85,967.10
  4. Step 4: Simplify right side
    219,024.18x = 28,243,534,750.85
  5. Step 5: Solve for x
    x = 28,243,534,750.85/219,024.18
  6. Step 6: Final answer
    x = 128,951.67

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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.