Home / 132,954.54-183,479.85-72,527.40

Finding the Fourth Proportional to 132,954.54, 183,479.85 and 72,527.40

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Solution

The fourth proportional to 132,954.54, 183,479.85 and 72,527.40 is: 100,089.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,954.54 : 183,479.85 = 72,527.40 : x
  2. Step 2: Convert to fraction form
    132,954.54/183,479.85 = 72,527.40/x
  3. Step 3: Cross multiply
    132,954.54x = 183,479.85 × 72,527.40
  4. Step 4: Simplify right side
    132,954.54x = 13,307,316,472.89
  5. Step 5: Solve for x
    x = 13,307,316,472.89/132,954.54
  6. Step 6: Final answer
    x = 100,089.22

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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.