Home / 105,509.25-158,302.76-55,587.33

Finding the Fourth Proportional to 105,509.25, 158,302.76 and 55,587.33

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Solution

The fourth proportional to 105,509.25, 158,302.76 and 55,587.33 is: 83,401.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,509.25 : 158,302.76 = 55,587.33 : x
  2. Step 2: Convert to fraction form
    105,509.25/158,302.76 = 55,587.33/x
  3. Step 3: Cross multiply
    105,509.25x = 158,302.76 × 55,587.33
  4. Step 4: Simplify right side
    105,509.25x = 8,799,627,482.09
  5. Step 5: Solve for x
    x = 8,799,627,482.09/105,509.25
  6. Step 6: Final answer
    x = 83,401.48

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1.5x scale

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.