Home / 161,053.95-222,260.18-89,435.19

Finding the Fourth Proportional to 161,053.95, 222,260.18 and 89,435.19

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Solution

The fourth proportional to 161,053.95, 222,260.18 and 89,435.19 is: 123,423.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,053.95 : 222,260.18 = 89,435.19 : x
  2. Step 2: Convert to fraction form
    161,053.95/222,260.18 = 89,435.19/x
  3. Step 3: Cross multiply
    161,053.95x = 222,260.18 × 89,435.19
  4. Step 4: Simplify right side
    161,053.95x = 19,877,880,980.56
  5. Step 5: Solve for x
    x = 19,877,880,980.56/161,053.95
  6. Step 6: Final answer
    x = 123,423.74

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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.