Home / 175,064.10-262,596.15-86,490.60

Finding the Fourth Proportional to 175,064.10, 262,596.15 and 86,490.60

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Solution

The fourth proportional to 175,064.10, 262,596.15 and 86,490.60 is: 129,735.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,064.10 : 262,596.15 = 86,490.60 : x
  2. Step 2: Convert to fraction form
    175,064.10/262,596.15 = 86,490.60/x
  3. Step 3: Cross multiply
    175,064.10x = 262,596.15 × 86,490.60
  4. Step 4: Simplify right side
    175,064.10x = 22,712,098,571.19
  5. Step 5: Solve for x
    x = 22,712,098,571.19/175,064.10
  6. Step 6: Final answer
    x = 129,735.90

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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.