Home / 157,023.16-235,445.55-107,163.67

Finding the Fourth Proportional to 157,023.16, 235,445.55 and 107,163.67

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Solution

The fourth proportional to 157,023.16, 235,445.55 and 107,163.67 is: 160,684.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,023.16 : 235,445.55 = 107,163.67 : x
  2. Step 2: Convert to fraction form
    157,023.16/235,445.55 = 107,163.67/x
  3. Step 3: Cross multiply
    157,023.16x = 235,445.55 × 107,163.67
  4. Step 4: Simplify right side
    157,023.16x = 25,231,209,223.17
  5. Step 5: Solve for x
    x = 25,231,209,223.17/157,023.16
  6. Step 6: Final answer
    x = 160,684.64

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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.