Home / 130,154.64-179,622.54-73,566.42

Finding the Fourth Proportional to 130,154.64, 179,622.54 and 73,566.42

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Solution

The fourth proportional to 130,154.64, 179,622.54 and 73,566.42 is: 101,526.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,154.64 : 179,622.54 = 73,566.42 : x
  2. Step 2: Convert to fraction form
    130,154.64/179,622.54 = 73,566.42/x
  3. Step 3: Cross multiply
    130,154.64x = 179,622.54 × 73,566.42
  4. Step 4: Simplify right side
    130,154.64x = 13,214,187,219.11
  5. Step 5: Solve for x
    x = 13,214,187,219.11/130,154.64
  6. Step 6: Final answer
    x = 101,526.82

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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.