Home / 352,125.14-528,178.44-99,423.12

Finding the Fourth Proportional to 352,125.14, 528,178.44 and 99,423.12

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Solution

The fourth proportional to 352,125.14, 528,178.44 and 99,423.12 is: 149,132.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,125.14 : 528,178.44 = 99,423.12 : x
  2. Step 2: Convert to fraction form
    352,125.14/528,178.44 = 99,423.12/x
  3. Step 3: Cross multiply
    352,125.14x = 528,178.44 × 99,423.12
  4. Step 4: Simplify right side
    352,125.14x = 52,513,148,421.53
  5. Step 5: Solve for x
    x = 52,513,148,421.53/352,125.14
  6. Step 6: Final answer
    x = 149,132.06

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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.