Home / 581,154.94-871,731.09-154,690.84

Finding the Fourth Proportional to 581,154.94, 871,731.09 and 154,690.84

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Solution

The fourth proportional to 581,154.94, 871,731.09 and 154,690.84 is: 232,035.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,154.94 : 871,731.09 = 154,690.84 : x
  2. Step 2: Convert to fraction form
    581,154.94/871,731.09 = 154,690.84/x
  3. Step 3: Cross multiply
    581,154.94x = 871,731.09 × 154,690.84
  4. Step 4: Simplify right side
    581,154.94x = 134,848,814,566.22
  5. Step 5: Solve for x
    x = 134,848,814,566.22/581,154.94
  6. Step 6: Final answer
    x = 232,035.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.