Home / 147,442.54-203,463.02-83,771.50

Finding the Fourth Proportional to 147,442.54, 203,463.02 and 83,771.50

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Solution

The fourth proportional to 147,442.54, 203,463.02 and 83,771.50 is: 115,600.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,442.54 : 203,463.02 = 83,771.50 : x
  2. Step 2: Convert to fraction form
    147,442.54/203,463.02 = 83,771.50/x
  3. Step 3: Cross multiply
    147,442.54x = 203,463.02 × 83,771.50
  4. Step 4: Simplify right side
    147,442.54x = 17,044,402,379.93
  5. Step 5: Solve for x
    x = 17,044,402,379.93/147,442.54
  6. Step 6: Final answer
    x = 115,600.30

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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.