Home / 161,423.68-222,761.32-89,802.16

Finding the Fourth Proportional to 161,423.68, 222,761.32 and 89,802.16

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Solution

The fourth proportional to 161,423.68, 222,761.32 and 89,802.16 is: 123,925.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,423.68 : 222,761.32 = 89,802.16 : x
  2. Step 2: Convert to fraction form
    161,423.68/222,761.32 = 89,802.16/x
  3. Step 3: Cross multiply
    161,423.68x = 222,761.32 × 89,802.16
  4. Step 4: Simplify right side
    161,423.68x = 20,004,447,700.45
  5. Step 5: Solve for x
    x = 20,004,447,700.45/161,423.68
  6. Step 6: Final answer
    x = 123,925.11

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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.