Home / 121,219.14-167,271.69-70,215.56

Finding the Fourth Proportional to 121,219.14, 167,271.69 and 70,215.56

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Solution

The fourth proportional to 121,219.14, 167,271.69 and 70,215.56 is: 96,891.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,219.14 : 167,271.69 = 70,215.56 : x
  2. Step 2: Convert to fraction form
    121,219.14/167,271.69 = 70,215.56/x
  3. Step 3: Cross multiply
    121,219.14x = 167,271.69 × 70,215.56
  4. Step 4: Simplify right side
    121,219.14x = 11,745,075,385.50
  5. Step 5: Solve for x
    x = 11,745,075,385.50/121,219.14
  6. Step 6: Final answer
    x = 96,891.26

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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.