Home / 423,084.24-634,618.16-103,238.19

Finding the Fourth Proportional to 423,084.24, 634,618.16 and 103,238.19

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Solution

The fourth proportional to 423,084.24, 634,618.16 and 103,238.19 is: 154,855.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,084.24 : 634,618.16 = 103,238.19 : x
  2. Step 2: Convert to fraction form
    423,084.24/634,618.16 = 103,238.19/x
  3. Step 3: Cross multiply
    423,084.24x = 634,618.16 × 103,238.19
  4. Step 4: Simplify right side
    423,084.24x = 65,516,827,006.44
  5. Step 5: Solve for x
    x = 65,516,827,006.44/423,084.24
  6. Step 6: Final answer
    x = 154,855.28

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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.