Home / 185,811.30-256,526.00-122,333.63

Finding the Fourth Proportional to 185,811.30, 256,526.00 and 122,333.63

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Solution

The fourth proportional to 185,811.30, 256,526.00 and 122,333.63 is: 168,890.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,811.30 : 256,526.00 = 122,333.63 : x
  2. Step 2: Convert to fraction form
    185,811.30/256,526.00 = 122,333.63/x
  3. Step 3: Cross multiply
    185,811.30x = 256,526.00 × 122,333.63
  4. Step 4: Simplify right side
    185,811.30x = 31,381,754,875.08
  5. Step 5: Solve for x
    x = 31,381,754,875.08/185,811.30
  6. Step 6: Final answer
    x = 168,890.45

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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.