Home / 386,074.03-578,913.57-161,373.16

Finding the Fourth Proportional to 386,074.03, 578,913.57 and 161,373.16

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Solution

The fourth proportional to 386,074.03, 578,913.57 and 161,373.16 is: 241,977.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,074.03 : 578,913.57 = 161,373.16 : x
  2. Step 2: Convert to fraction form
    386,074.03/578,913.57 = 161,373.16/x
  3. Step 3: Cross multiply
    386,074.03x = 578,913.57 × 161,373.16
  4. Step 4: Simplify right side
    386,074.03x = 93,421,112,157.78
  5. Step 5: Solve for x
    x = 93,421,112,157.78/386,074.03
  6. Step 6: Final answer
    x = 241,977.20

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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.