Home / 132,658.86-183,072.50-72,232.81

Finding the Fourth Proportional to 132,658.86, 183,072.50 and 72,232.81

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Solution

The fourth proportional to 132,658.86, 183,072.50 and 72,232.81 is: 99,683.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,658.86 : 183,072.50 = 72,232.81 : x
  2. Step 2: Convert to fraction form
    132,658.86/183,072.50 = 72,232.81/x
  3. Step 3: Cross multiply
    132,658.86x = 183,072.50 × 72,232.81
  4. Step 4: Simplify right side
    132,658.86x = 13,223,840,967.06
  5. Step 5: Solve for x
    x = 13,223,840,967.06/132,658.86
  6. Step 6: Final answer
    x = 99,683.06

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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.