Home / 371,333.08-557,021.28-105,071.32

Finding the Fourth Proportional to 371,333.08, 557,021.28 and 105,071.32

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Solution

The fourth proportional to 371,333.08, 557,021.28 and 105,071.32 is: 157,613.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,333.08 : 557,021.28 = 105,071.32 : x
  2. Step 2: Convert to fraction form
    371,333.08/557,021.28 = 105,071.32/x
  3. Step 3: Cross multiply
    371,333.08x = 557,021.28 × 105,071.32
  4. Step 4: Simplify right side
    371,333.08x = 58,526,961,157.69
  5. Step 5: Solve for x
    x = 58,526,961,157.69/371,333.08
  6. Step 6: Final answer
    x = 157,613.11

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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.