Home / 147,688.64-203,807.72-84,025.07

Finding the Fourth Proportional to 147,688.64, 203,807.72 and 84,025.07

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Solution

The fourth proportional to 147,688.64, 203,807.72 and 84,025.07 is: 115,953.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,688.64 : 203,807.72 = 84,025.07 : x
  2. Step 2: Convert to fraction form
    147,688.64/203,807.72 = 84,025.07/x
  3. Step 3: Cross multiply
    147,688.64x = 203,807.72 × 84,025.07
  4. Step 4: Simplify right side
    147,688.64x = 17,124,957,519.42
  5. Step 5: Solve for x
    x = 17,124,957,519.42/147,688.64
  6. Step 6: Final answer
    x = 115,953.11

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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.