Home / 356,531.07-492,013.29-193,187.45

Finding the Fourth Proportional to 356,531.07, 492,013.29 and 193,187.45

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Solution

The fourth proportional to 356,531.07, 492,013.29 and 193,187.45 is: 266,598.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,531.07 : 492,013.29 = 193,187.45 : x
  2. Step 2: Convert to fraction form
    356,531.07/492,013.29 = 193,187.45/x
  3. Step 3: Cross multiply
    356,531.07x = 492,013.29 × 193,187.45
  4. Step 4: Simplify right side
    356,531.07x = 95,050,792,861.21
  5. Step 5: Solve for x
    x = 95,050,792,861.21/356,531.07
  6. Step 6: Final answer
    x = 266,598.91

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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.