Home / 108,288.48-162,403.36-73,442.24

Finding the Fourth Proportional to 108,288.48, 162,403.36 and 73,442.24

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Solution

The fourth proportional to 108,288.48, 162,403.36 and 73,442.24 is: 110,143.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,288.48 : 162,403.36 = 73,442.24 : x
  2. Step 2: Convert to fraction form
    108,288.48/162,403.36 = 73,442.24/x
  3. Step 3: Cross multiply
    108,288.48x = 162,403.36 × 73,442.24
  4. Step 4: Simplify right side
    108,288.48x = 11,927,266,541.93
  5. Step 5: Solve for x
    x = 11,927,266,541.93/108,288.48
  6. Step 6: Final answer
    x = 110,143.45

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1.5x scale

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.