Home / 423,267.15-634,893.75-170,541.48

Finding the Fourth Proportional to 423,267.15, 634,893.75 and 170,541.48

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Solution

The fourth proportional to 423,267.15, 634,893.75 and 170,541.48 is: 255,809.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,267.15 : 634,893.75 = 170,541.48 : x
  2. Step 2: Convert to fraction form
    423,267.15/634,893.75 = 170,541.48/x
  3. Step 3: Cross multiply
    423,267.15x = 634,893.75 × 170,541.48
  4. Step 4: Simplify right side
    423,267.15x = 108,275,719,767.75
  5. Step 5: Solve for x
    x = 108,275,719,767.75/423,267.15
  6. Step 6: Final answer
    x = 255,809.41

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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.