Home / 185,989.28-256,666.04-101,106.12

Finding the Fourth Proportional to 185,989.28, 256,666.04 and 101,106.12

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Solution

The fourth proportional to 185,989.28, 256,666.04 and 101,106.12 is: 139,526.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,989.28 : 256,666.04 = 101,106.12 : x
  2. Step 2: Convert to fraction form
    185,989.28/256,666.04 = 101,106.12/x
  3. Step 3: Cross multiply
    185,989.28x = 256,666.04 × 101,106.12
  4. Step 4: Simplify right side
    185,989.28x = 25,950,507,440.16
  5. Step 5: Solve for x
    x = 25,950,507,440.16/185,989.28
  6. Step 6: Final answer
    x = 139,526.90

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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.