Home / 161,093.02-222,302.21-89,477.63

Finding the Fourth Proportional to 161,093.02, 222,302.21 and 89,477.63

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Solution

The fourth proportional to 161,093.02, 222,302.21 and 89,477.63 is: 123,475.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,093.02 : 222,302.21 = 89,477.63 : x
  2. Step 2: Convert to fraction form
    161,093.02/222,302.21 = 89,477.63/x
  3. Step 3: Cross multiply
    161,093.02x = 222,302.21 × 89,477.63
  4. Step 4: Simplify right side
    161,093.02x = 19,891,075,674.01
  5. Step 5: Solve for x
    x = 19,891,075,674.01/161,093.02
  6. Step 6: Final answer
    x = 123,475.72

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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.