Home / 161,095.16-222,318.74-89,475.48

Finding the Fourth Proportional to 161,095.16, 222,318.74 and 89,475.48

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Solution

The fourth proportional to 161,095.16, 222,318.74 and 89,475.48 is: 123,480.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,095.16 : 222,318.74 = 89,475.48 : x
  2. Step 2: Convert to fraction form
    161,095.16/222,318.74 = 89,475.48/x
  3. Step 3: Cross multiply
    161,095.16x = 222,318.74 × 89,475.48
  4. Step 4: Simplify right side
    161,095.16x = 19,892,075,974.50
  5. Step 5: Solve for x
    x = 19,892,075,974.50/161,095.16
  6. Step 6: Final answer
    x = 123,480.28

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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.