Home / 235,438.90-353,150.53-102,319.29

Finding the Fourth Proportional to 235,438.90, 353,150.53 and 102,319.29

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Solution

The fourth proportional to 235,438.90, 353,150.53 and 102,319.29 is: 153,475.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,438.90 : 353,150.53 = 102,319.29 : x
  2. Step 2: Convert to fraction form
    235,438.90/353,150.53 = 102,319.29/x
  3. Step 3: Cross multiply
    235,438.90x = 353,150.53 × 102,319.29
  4. Step 4: Simplify right side
    235,438.90x = 36,134,111,492.72
  5. Step 5: Solve for x
    x = 36,134,111,492.72/235,438.90
  6. Step 6: Final answer
    x = 153,475.54

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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.