Home / 164,643.86-227,219.02-100,973.00

Finding the Fourth Proportional to 164,643.86, 227,219.02 and 100,973.00

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Solution

The fourth proportional to 164,643.86, 227,219.02 and 100,973.00 is: 139,349.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,643.86 : 227,219.02 = 100,973.00 : x
  2. Step 2: Convert to fraction form
    164,643.86/227,219.02 = 100,973.00/x
  3. Step 3: Cross multiply
    164,643.86x = 227,219.02 × 100,973.00
  4. Step 4: Simplify right side
    164,643.86x = 22,942,984,717.93
  5. Step 5: Solve for x
    x = 22,942,984,717.93/164,643.86
  6. Step 6: Final answer
    x = 139,349.17

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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.