Home / 134,832.50-186,068.70-74,403.12

Finding the Fourth Proportional to 134,832.50, 186,068.70 and 74,403.12

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Solution

The fourth proportional to 134,832.50, 186,068.70 and 74,403.12 is: 102,676.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,832.50 : 186,068.70 = 74,403.12 : x
  2. Step 2: Convert to fraction form
    134,832.50/186,068.70 = 74,403.12/x
  3. Step 3: Cross multiply
    134,832.50x = 186,068.70 × 74,403.12
  4. Step 4: Simplify right side
    134,832.50x = 13,844,091,814.34
  5. Step 5: Solve for x
    x = 13,844,091,814.34/134,832.50
  6. Step 6: Final answer
    x = 102,676.23

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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.