Home / 132,491.47-182,840.58-72,063.43

Finding the Fourth Proportional to 132,491.47, 182,840.58 and 72,063.43

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Solution

The fourth proportional to 132,491.47, 182,840.58 and 72,063.43 is: 99,448.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,491.47 : 182,840.58 = 72,063.43 : x
  2. Step 2: Convert to fraction form
    132,491.47/182,840.58 = 72,063.43/x
  3. Step 3: Cross multiply
    132,491.47x = 182,840.58 × 72,063.43
  4. Step 4: Simplify right side
    132,491.47x = 13,176,119,337.99
  5. Step 5: Solve for x
    x = 13,176,119,337.99/132,491.47
  6. Step 6: Final answer
    x = 99,448.81

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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.