Home / 130,967.64-180,592.32-88,452.36

Finding the Fourth Proportional to 130,967.64, 180,592.32 and 88,452.36

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Solution

The fourth proportional to 130,967.64, 180,592.32 and 88,452.36 is: 121,967.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,967.64 : 180,592.32 = 88,452.36 : x
  2. Step 2: Convert to fraction form
    130,967.64/180,592.32 = 88,452.36/x
  3. Step 3: Cross multiply
    130,967.64x = 180,592.32 × 88,452.36
  4. Step 4: Simplify right side
    130,967.64x = 15,973,816,901.88
  5. Step 5: Solve for x
    x = 15,973,816,901.88/130,967.64
  6. Step 6: Final answer
    x = 121,967.66

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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.