Home / 386,132.04-532,682.10-242,971.02

Finding the Fourth Proportional to 386,132.04, 532,682.10 and 242,971.02

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Solution

The fourth proportional to 386,132.04, 532,682.10 and 242,971.02 is: 335,186.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,132.04 : 532,682.10 = 242,971.02 : x
  2. Step 2: Convert to fraction form
    386,132.04/532,682.10 = 242,971.02/x
  3. Step 3: Cross multiply
    386,132.04x = 532,682.10 × 242,971.02
  4. Step 4: Simplify right side
    386,132.04x = 129,426,313,172.74
  5. Step 5: Solve for x
    x = 129,426,313,172.74/386,132.04
  6. Step 6: Final answer
    x = 335,186.67

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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.