Home / 130,417.36-195,377.73-74,296.15

Finding the Fourth Proportional to 130,417.36, 195,377.73 and 74,296.15

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Solution

The fourth proportional to 130,417.36, 195,377.73 and 74,296.15 is: 111,302.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,417.36 : 195,377.73 = 74,296.15 : x
  2. Step 2: Convert to fraction form
    130,417.36/195,377.73 = 74,296.15/x
  3. Step 3: Cross multiply
    130,417.36x = 195,377.73 × 74,296.15
  4. Step 4: Simplify right side
    130,417.36x = 14,515,813,134.74
  5. Step 5: Solve for x
    x = 14,515,813,134.74/130,417.36
  6. Step 6: Final answer
    x = 111,302.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.