Home / 189,946.02-262,111.68-105,064.50

Finding the Fourth Proportional to 189,946.02, 262,111.68 and 105,064.50

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Solution

The fourth proportional to 189,946.02, 262,111.68 and 105,064.50 is: 144,981.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,946.02 : 262,111.68 = 105,064.50 : x
  2. Step 2: Convert to fraction form
    189,946.02/262,111.68 = 105,064.50/x
  3. Step 3: Cross multiply
    189,946.02x = 262,111.68 × 105,064.50
  4. Step 4: Simplify right side
    189,946.02x = 27,538,632,603.36
  5. Step 5: Solve for x
    x = 27,538,632,603.36/189,946.02
  6. Step 6: Final answer
    x = 144,981.36

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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.