Home / 157,603.20-236,404.80-98,505.60

Finding the Fourth Proportional to 157,603.20, 236,404.80 and 98,505.60

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Solution

The fourth proportional to 157,603.20, 236,404.80 and 98,505.60 is: 147,758.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,603.20 : 236,404.80 = 98,505.60 : x
  2. Step 2: Convert to fraction form
    157,603.20/236,404.80 = 98,505.60/x
  3. Step 3: Cross multiply
    157,603.20x = 236,404.80 × 98,505.60
  4. Step 4: Simplify right side
    157,603.20x = 23,287,196,666.88
  5. Step 5: Solve for x
    x = 23,287,196,666.88/157,603.20
  6. Step 6: Final answer
    x = 147,758.40

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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.