Home / 239,173.80-358,631.10-98,946.60

Finding the Fourth Proportional to 239,173.80, 358,631.10 and 98,946.60

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Solution

The fourth proportional to 239,173.80, 358,631.10 and 98,946.60 is: 148,366.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,173.80 : 358,631.10 = 98,946.60 : x
  2. Step 2: Convert to fraction form
    239,173.80/358,631.10 = 98,946.60/x
  3. Step 3: Cross multiply
    239,173.80x = 358,631.10 × 98,946.60
  4. Step 4: Simplify right side
    239,173.80x = 35,485,327,999.26
  5. Step 5: Solve for x
    x = 35,485,327,999.26/239,173.80
  6. Step 6: Final answer
    x = 148,366.28

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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.