Home / 357,904.12-536,462.44-147,427.24

Finding the Fourth Proportional to 357,904.12, 536,462.44 and 147,427.24

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Solution

The fourth proportional to 357,904.12, 536,462.44 and 147,427.24 is: 220,978.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,904.12 : 536,462.44 = 147,427.24 : x
  2. Step 2: Convert to fraction form
    357,904.12/536,462.44 = 147,427.24/x
  3. Step 3: Cross multiply
    357,904.12x = 536,462.44 × 147,427.24
  4. Step 4: Simplify right side
    357,904.12x = 79,089,176,892.87
  5. Step 5: Solve for x
    x = 79,089,176,892.87/357,904.12
  6. Step 6: Final answer
    x = 220,978.67

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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.