Home / 130,825.54-180,541.14-73,477.28

Finding the Fourth Proportional to 130,825.54, 180,541.14 and 73,477.28

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Solution

The fourth proportional to 130,825.54, 180,541.14 and 73,477.28 is: 101,399.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,825.54 : 180,541.14 = 73,477.28 : x
  2. Step 2: Convert to fraction form
    130,825.54/180,541.14 = 73,477.28/x
  3. Step 3: Cross multiply
    130,825.54x = 180,541.14 × 73,477.28
  4. Step 4: Simplify right side
    130,825.54x = 13,265,671,895.30
  5. Step 5: Solve for x
    x = 13,265,671,895.30/130,825.54
  6. Step 6: Final answer
    x = 101,399.71

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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.