Home / 282,316.91-389,597.63-153,255.31

Finding the Fourth Proportional to 282,316.91, 389,597.63 and 153,255.31

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Solution

The fourth proportional to 282,316.91, 389,597.63 and 153,255.31 is: 211,492.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,316.91 : 389,597.63 = 153,255.31 : x
  2. Step 2: Convert to fraction form
    282,316.91/389,597.63 = 153,255.31/x
  3. Step 3: Cross multiply
    282,316.91x = 389,597.63 × 153,255.31
  4. Step 4: Simplify right side
    282,316.91x = 59,707,903,820.64
  5. Step 5: Solve for x
    x = 59,707,903,820.64/282,316.91
  6. Step 6: Final answer
    x = 211,492.49

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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.