Home / 113,448.48-156,556.22-63,146.40

Finding the Fourth Proportional to 113,448.48, 156,556.22 and 63,146.40

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Solution

The fourth proportional to 113,448.48, 156,556.22 and 63,146.40 is: 87,140.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,448.48 : 156,556.22 = 63,146.40 : x
  2. Step 2: Convert to fraction form
    113,448.48/156,556.22 = 63,146.40/x
  3. Step 3: Cross multiply
    113,448.48x = 156,556.22 × 63,146.40
  4. Step 4: Simplify right side
    113,448.48x = 9,885,961,690.61
  5. Step 5: Solve for x
    x = 9,885,961,690.61/113,448.48
  6. Step 6: Final answer
    x = 87,140.54

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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.