Home / 386,063.04-578,897.12-161,362.16

Finding the Fourth Proportional to 386,063.04, 578,897.12 and 161,362.16

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Solution

The fourth proportional to 386,063.04, 578,897.12 and 161,362.16 is: 241,960.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,063.04 : 578,897.12 = 161,362.16 : x
  2. Step 2: Convert to fraction form
    386,063.04/578,897.12 = 161,362.16/x
  3. Step 3: Cross multiply
    386,063.04x = 578,897.12 × 161,362.16
  4. Step 4: Simplify right side
    386,063.04x = 93,412,089,700.98
  5. Step 5: Solve for x
    x = 93,412,089,700.98/386,063.04
  6. Step 6: Final answer
    x = 241,960.72

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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.