Home / 152,301.76-210,147.26-98,579.32

Finding the Fourth Proportional to 152,301.76, 210,147.26 and 98,579.32

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Solution

The fourth proportional to 152,301.76, 210,147.26 and 98,579.32 is: 136,020.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,301.76 : 210,147.26 = 98,579.32 : x
  2. Step 2: Convert to fraction form
    152,301.76/210,147.26 = 98,579.32/x
  3. Step 3: Cross multiply
    152,301.76x = 210,147.26 × 98,579.32
  4. Step 4: Simplify right side
    152,301.76x = 20,716,173,990.66
  5. Step 5: Solve for x
    x = 20,716,173,990.66/152,301.76
  6. Step 6: Final answer
    x = 136,020.58

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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.