Home / 119,037.81-164,272.46-65,323.26

Finding the Fourth Proportional to 119,037.81, 164,272.46 and 65,323.26

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Solution

The fourth proportional to 119,037.81, 164,272.46 and 65,323.26 is: 90,146.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,037.81 : 164,272.46 = 65,323.26 : x
  2. Step 2: Convert to fraction form
    119,037.81/164,272.46 = 65,323.26/x
  3. Step 3: Cross multiply
    119,037.81x = 164,272.46 × 65,323.26
  4. Step 4: Simplify right side
    119,037.81x = 10,730,812,288.80
  5. Step 5: Solve for x
    x = 10,730,812,288.80/119,037.81
  6. Step 6: Final answer
    x = 90,146.25

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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.