Home / 119,173.03-164,458.67-65,457.57

Finding the Fourth Proportional to 119,173.03, 164,458.67 and 65,457.57

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Solution

The fourth proportional to 119,173.03, 164,458.67 and 65,457.57 is: 90,331.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,173.03 : 164,458.67 = 65,457.57 : x
  2. Step 2: Convert to fraction form
    119,173.03/164,458.67 = 65,457.57/x
  3. Step 3: Cross multiply
    119,173.03x = 164,458.67 × 65,457.57
  4. Step 4: Simplify right side
    119,173.03x = 10,765,064,903.63
  5. Step 5: Solve for x
    x = 10,765,064,903.63/119,173.03
  6. Step 6: Final answer
    x = 90,331.39

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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.