Home / 161,113.57-222,336.63-89,500.26

Finding the Fourth Proportional to 161,113.57, 222,336.63 and 89,500.26

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Solution

The fourth proportional to 161,113.57, 222,336.63 and 89,500.26 is: 123,510.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,113.57 : 222,336.63 = 89,500.26 : x
  2. Step 2: Convert to fraction form
    161,113.57/222,336.63 = 89,500.26/x
  3. Step 3: Cross multiply
    161,113.57x = 222,336.63 × 89,500.26
  4. Step 4: Simplify right side
    161,113.57x = 19,899,186,192.52
  5. Step 5: Solve for x
    x = 19,899,186,192.52/161,113.57
  6. Step 6: Final answer
    x = 123,510.31

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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.