Home / 279,526.16-385,747-152,202.52

Finding the Fourth Proportional to 279,526.16, 385,747 and 152,202.52

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Solution

The fourth proportional to 279,526.16, 385,747 and 152,202.52 is: 210,039.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,526.16 : 385,747 = 152,202.52 : x
  2. Step 2: Convert to fraction form
    279,526.16/385,747 = 152,202.52/x
  3. Step 3: Cross multiply
    279,526.16x = 385,747 × 152,202.52
  4. Step 4: Simplify right side
    279,526.16x = 58,711,665,482.44
  5. Step 5: Solve for x
    x = 58,711,665,482.44/279,526.16
  6. Step 6: Final answer
    x = 210,039.97

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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.