Home / 157,628.40-236,442.60-98,530.80

Finding the Fourth Proportional to 157,628.40, 236,442.60 and 98,530.80

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Solution

The fourth proportional to 157,628.40, 236,442.60 and 98,530.80 is: 147,796.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,628.40 : 236,442.60 = 98,530.80 : x
  2. Step 2: Convert to fraction form
    157,628.40/236,442.60 = 98,530.80/x
  3. Step 3: Cross multiply
    157,628.40x = 236,442.60 × 98,530.80
  4. Step 4: Simplify right side
    157,628.40x = 23,296,878,532.08
  5. Step 5: Solve for x
    x = 23,296,878,532.08/157,628.40
  6. Step 6: Final answer
    x = 147,796.20

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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.