Home / 130,242.04-179,734.88-75,826.64

Finding the Fourth Proportional to 130,242.04, 179,734.88 and 75,826.64

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Solution

The fourth proportional to 130,242.04, 179,734.88 and 75,826.64 is: 104,641.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,242.04 : 179,734.88 = 75,826.64 : x
  2. Step 2: Convert to fraction form
    130,242.04/179,734.88 = 75,826.64/x
  3. Step 3: Cross multiply
    130,242.04x = 179,734.88 × 75,826.64
  4. Step 4: Simplify right side
    130,242.04x = 13,628,692,041.20
  5. Step 5: Solve for x
    x = 13,628,692,041.20/130,242.04
  6. Step 6: Final answer
    x = 104,641.27

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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.