Home / 236,784.10-326,762.28-129,355.93

Finding the Fourth Proportional to 236,784.10, 326,762.28 and 129,355.93

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Solution

The fourth proportional to 236,784.10, 326,762.28 and 129,355.93 is: 178,511.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,784.10 : 326,762.28 = 129,355.93 : x
  2. Step 2: Convert to fraction form
    236,784.10/326,762.28 = 129,355.93/x
  3. Step 3: Cross multiply
    236,784.10x = 326,762.28 × 129,355.93
  4. Step 4: Simplify right side
    236,784.10x = 42,268,638,618.32
  5. Step 5: Solve for x
    x = 42,268,638,618.32/236,784.10
  6. Step 6: Final answer
    x = 178,511.30

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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.