Home / 386,070.03-578,907.57-161,369.15

Finding the Fourth Proportional to 386,070.03, 578,907.57 and 161,369.15

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Solution

The fourth proportional to 386,070.03, 578,907.57 and 161,369.15 is: 241,971.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,070.03 : 578,907.57 = 161,369.15 : x
  2. Step 2: Convert to fraction form
    386,070.03/578,907.57 = 161,369.15/x
  3. Step 3: Cross multiply
    386,070.03x = 578,907.57 × 161,369.15
  4. Step 4: Simplify right side
    386,070.03x = 93,417,820,210.06
  5. Step 5: Solve for x
    x = 93,417,820,210.06/386,070.03
  6. Step 6: Final answer
    x = 241,971.18

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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.