Home / 117,552.11-162,225.13-69,157.45

Finding the Fourth Proportional to 117,552.11, 162,225.13 and 69,157.45

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Solution

The fourth proportional to 117,552.11, 162,225.13 and 69,157.45 is: 95,439.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,552.11 : 162,225.13 = 69,157.45 : x
  2. Step 2: Convert to fraction form
    117,552.11/162,225.13 = 69,157.45/x
  3. Step 3: Cross multiply
    117,552.11x = 162,225.13 × 69,157.45
  4. Step 4: Simplify right side
    117,552.11x = 11,219,075,563.76
  5. Step 5: Solve for x
    x = 11,219,075,563.76/117,552.11
  6. Step 6: Final answer
    x = 95,439.17

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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.