Home / 126,829.92-190,362.96-64,547.04

Finding the Fourth Proportional to 126,829.92, 190,362.96 and 64,547.04

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Solution

The fourth proportional to 126,829.92, 190,362.96 and 64,547.04 is: 96,880.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,829.92 : 190,362.96 = 64,547.04 : x
  2. Step 2: Convert to fraction form
    126,829.92/190,362.96 = 64,547.04/x
  3. Step 3: Cross multiply
    126,829.92x = 190,362.96 × 64,547.04
  4. Step 4: Simplify right side
    126,829.92x = 12,287,365,593.64
  5. Step 5: Solve for x
    x = 12,287,365,593.64/126,829.92
  6. Step 6: Final answer
    x = 96,880.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.