Home / 127,763.29-190,746.59-97,619.77

Finding the Fourth Proportional to 127,763.29, 190,746.59 and 97,619.77

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Solution

The fourth proportional to 127,763.29, 190,746.59 and 97,619.77 is: 145,743.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,763.29 : 190,746.59 = 97,619.77 : x
  2. Step 2: Convert to fraction form
    127,763.29/190,746.59 = 97,619.77/x
  3. Step 3: Cross multiply
    127,763.29x = 190,746.59 × 97,619.77
  4. Step 4: Simplify right side
    127,763.29x = 18,620,638,244.08
  5. Step 5: Solve for x
    x = 18,620,638,244.08/127,763.29
  6. Step 6: Final answer
    x = 145,743.26

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.