Home / 113,820.33-169,886.40-98,554.77

Finding the Fourth Proportional to 113,820.33, 169,886.40 and 98,554.77

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Solution

The fourth proportional to 113,820.33, 169,886.40 and 98,554.77 is: 147,101.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,820.33 : 169,886.40 = 98,554.77 : x
  2. Step 2: Convert to fraction form
    113,820.33/169,886.40 = 98,554.77/x
  3. Step 3: Cross multiply
    113,820.33x = 169,886.40 × 98,554.77
  4. Step 4: Simplify right side
    113,820.33x = 16,743,115,078.13
  5. Step 5: Solve for x
    x = 16,743,115,078.13/113,820.33
  6. Step 6: Final answer
    x = 147,101.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.