Home / 161,325.23-222,495.50-135,381.93

Finding the Fourth Proportional to 161,325.23, 222,495.50 and 135,381.93

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Solution

The fourth proportional to 161,325.23, 222,495.50 and 135,381.93 is: 186,715.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,325.23 : 222,495.50 = 135,381.93 : x
  2. Step 2: Convert to fraction form
    161,325.23/222,495.50 = 135,381.93/x
  3. Step 3: Cross multiply
    161,325.23x = 222,495.50 × 135,381.93
  4. Step 4: Simplify right side
    161,325.23x = 30,121,869,529.41
  5. Step 5: Solve for x
    x = 30,121,869,529.41/161,325.23
  6. Step 6: Final answer
    x = 186,715.19

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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.