Home / 132,782.51-183,116.76-98,874.29

Finding the Fourth Proportional to 132,782.51, 183,116.76 and 98,874.29

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Solution

The fourth proportional to 132,782.51, 183,116.76 and 98,874.29 is: 136,354.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,782.51 : 183,116.76 = 98,874.29 : x
  2. Step 2: Convert to fraction form
    132,782.51/183,116.76 = 98,874.29/x
  3. Step 3: Cross multiply
    132,782.51x = 183,116.76 × 98,874.29
  4. Step 4: Simplify right side
    132,782.51x = 18,105,539,632.10
  5. Step 5: Solve for x
    x = 18,105,539,632.10/132,782.51
  6. Step 6: Final answer
    x = 136,354.85

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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.