Home / 157,526.20-236,289.30-98,428.60

Finding the Fourth Proportional to 157,526.20, 236,289.30 and 98,428.60

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Solution

The fourth proportional to 157,526.20, 236,289.30 and 98,428.60 is: 147,642.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,526.20 : 236,289.30 = 98,428.60 : x
  2. Step 2: Convert to fraction form
    157,526.20/236,289.30 = 98,428.60/x
  3. Step 3: Cross multiply
    157,526.20x = 236,289.30 × 98,428.60
  4. Step 4: Simplify right side
    157,526.20x = 23,257,624,993.98
  5. Step 5: Solve for x
    x = 23,257,624,993.98/157,526.20
  6. Step 6: Final answer
    x = 147,642.90

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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.