Home / 236,513.10-354,769.65-86,703.60

Finding the Fourth Proportional to 236,513.10, 354,769.65 and 86,703.60

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Solution

The fourth proportional to 236,513.10, 354,769.65 and 86,703.60 is: 130,055.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,513.10 : 354,769.65 = 86,703.60 : x
  2. Step 2: Convert to fraction form
    236,513.10/354,769.65 = 86,703.60/x
  3. Step 3: Cross multiply
    236,513.10x = 354,769.65 × 86,703.60
  4. Step 4: Simplify right side
    236,513.10x = 30,759,805,825.74
  5. Step 5: Solve for x
    x = 30,759,805,825.74/236,513.10
  6. Step 6: Final answer
    x = 130,055.40

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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.