Home / 189,486.18-284,062.02-77,260.29

Finding the Fourth Proportional to 189,486.18, 284,062.02 and 77,260.29

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Solution

The fourth proportional to 189,486.18, 284,062.02 and 77,260.29 is: 115,822.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,486.18 : 284,062.02 = 77,260.29 : x
  2. Step 2: Convert to fraction form
    189,486.18/284,062.02 = 77,260.29/x
  3. Step 3: Cross multiply
    189,486.18x = 284,062.02 × 77,260.29
  4. Step 4: Simplify right side
    189,486.18x = 21,946,714,043.19
  5. Step 5: Solve for x
    x = 21,946,714,043.19/189,486.18
  6. Step 6: Final answer
    x = 115,822.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.