Home / 126,328.98-174,315.33-72,616.26

Finding the Fourth Proportional to 126,328.98, 174,315.33 and 72,616.26

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Solution

The fourth proportional to 126,328.98, 174,315.33 and 72,616.26 is: 100,199.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,328.98 : 174,315.33 = 72,616.26 : x
  2. Step 2: Convert to fraction form
    126,328.98/174,315.33 = 72,616.26/x
  3. Step 3: Cross multiply
    126,328.98x = 174,315.33 × 72,616.26
  4. Step 4: Simplify right side
    126,328.98x = 12,658,127,325.27
  5. Step 5: Solve for x
    x = 12,658,127,325.27/126,328.98
  6. Step 6: Final answer
    x = 100,199.71

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1.5x scale

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.