Home / 145,285.44-200,350.08-88,663.20

Finding the Fourth Proportional to 145,285.44, 200,350.08 and 88,663.20

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Solution

The fourth proportional to 145,285.44, 200,350.08 and 88,663.20 is: 122,267.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,285.44 : 200,350.08 = 88,663.20 : x
  2. Step 2: Convert to fraction form
    145,285.44/200,350.08 = 88,663.20/x
  3. Step 3: Cross multiply
    145,285.44x = 200,350.08 × 88,663.20
  4. Step 4: Simplify right side
    145,285.44x = 17,763,679,213.06
  5. Step 5: Solve for x
    x = 17,763,679,213.06/145,285.44
  6. Step 6: Final answer
    x = 122,267.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.