Home / 179,638.32-247,899.60-99,069.12

Finding the Fourth Proportional to 179,638.32, 247,899.60 and 99,069.12

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Solution

The fourth proportional to 179,638.32, 247,899.60 and 99,069.12 is: 136,714.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,638.32 : 247,899.60 = 99,069.12 : x
  2. Step 2: Convert to fraction form
    179,638.32/247,899.60 = 99,069.12/x
  3. Step 3: Cross multiply
    179,638.32x = 247,899.60 × 99,069.12
  4. Step 4: Simplify right side
    179,638.32x = 24,559,195,220.35
  5. Step 5: Solve for x
    x = 24,559,195,220.35/179,638.32
  6. Step 6: Final answer
    x = 136,714.68

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1.5x scale

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.