Home / 130,313.58-179,817.57-72,956.04

Finding the Fourth Proportional to 130,313.58, 179,817.57 and 72,956.04

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Solution

The fourth proportional to 130,313.58, 179,817.57 and 72,956.04 is: 100,670.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,313.58 : 179,817.57 = 72,956.04 : x
  2. Step 2: Convert to fraction form
    130,313.58/179,817.57 = 72,956.04/x
  3. Step 3: Cross multiply
    130,313.58x = 179,817.57 × 72,956.04
  4. Step 4: Simplify right side
    130,313.58x = 13,118,777,829.62
  5. Step 5: Solve for x
    x = 13,118,777,829.62/130,313.58
  6. Step 6: Final answer
    x = 100,670.84

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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.