Home / 157,559.20-236,338.80-98,461.60

Finding the Fourth Proportional to 157,559.20, 236,338.80 and 98,461.60

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Solution

The fourth proportional to 157,559.20, 236,338.80 and 98,461.60 is: 147,692.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,559.20 : 236,338.80 = 98,461.60 : x
  2. Step 2: Convert to fraction form
    157,559.20/236,338.80 = 98,461.60/x
  3. Step 3: Cross multiply
    157,559.20x = 236,338.80 × 98,461.60
  4. Step 4: Simplify right side
    157,559.20x = 23,270,296,390.08
  5. Step 5: Solve for x
    x = 23,270,296,390.08/157,559.20
  6. Step 6: Final answer
    x = 147,692.40

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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.