Home / 175,078.80-262,445.40-86,259.60

Finding the Fourth Proportional to 175,078.80, 262,445.40 and 86,259.60

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Solution

The fourth proportional to 175,078.80, 262,445.40 and 86,259.60 is: 129,304.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,078.80 : 262,445.40 = 86,259.60 : x
  2. Step 2: Convert to fraction form
    175,078.80/262,445.40 = 86,259.60/x
  3. Step 3: Cross multiply
    175,078.80x = 262,445.40 × 86,259.60
  4. Step 4: Simplify right side
    175,078.80x = 22,638,435,225.84
  5. Step 5: Solve for x
    x = 22,638,435,225.84/175,078.80
  6. Step 6: Final answer
    x = 129,304.26

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1.5x scale

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.