Home / 130,262.08-195,236.88-67,112.32

Finding the Fourth Proportional to 130,262.08, 195,236.88 and 67,112.32

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Solution

The fourth proportional to 130,262.08, 195,236.88 and 67,112.32 is: 100,587.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,262.08 : 195,236.88 = 67,112.32 : x
  2. Step 2: Convert to fraction form
    130,262.08/195,236.88 = 67,112.32/x
  3. Step 3: Cross multiply
    130,262.08x = 195,236.88 × 67,112.32
  4. Step 4: Simplify right side
    130,262.08x = 13,102,799,966.36
  5. Step 5: Solve for x
    x = 13,102,799,966.36/130,262.08
  6. Step 6: Final answer
    x = 100,587.98

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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.