Home / 119,425.98-164,739.40-74,636.22

Finding the Fourth Proportional to 119,425.98, 164,739.40 and 74,636.22

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Solution

The fourth proportional to 119,425.98, 164,739.40 and 74,636.22 is: 102,955.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,425.98 : 164,739.40 = 74,636.22 : x
  2. Step 2: Convert to fraction form
    119,425.98/164,739.40 = 74,636.22/x
  3. Step 3: Cross multiply
    119,425.98x = 164,739.40 × 74,636.22
  4. Step 4: Simplify right side
    119,425.98x = 12,295,526,101.07
  5. Step 5: Solve for x
    x = 12,295,526,101.07/119,425.98
  6. Step 6: Final answer
    x = 102,955.20

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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.