Home / 119,036.64-164,273.04-65,318.52

Finding the Fourth Proportional to 119,036.64, 164,273.04 and 65,318.52

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Solution

The fourth proportional to 119,036.64, 164,273.04 and 65,318.52 is: 90,140.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,036.64 : 164,273.04 = 65,318.52 : x
  2. Step 2: Convert to fraction form
    119,036.64/164,273.04 = 65,318.52/x
  3. Step 3: Cross multiply
    119,036.64x = 164,273.04 × 65,318.52
  4. Step 4: Simplify right side
    119,036.64x = 10,730,071,848.70
  5. Step 5: Solve for x
    x = 10,730,071,848.70/119,036.64
  6. Step 6: Final answer
    x = 90,140.92

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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.