Home / 132,975.67-183,506.02-72,545.88

Finding the Fourth Proportional to 132,975.67, 183,506.02 and 72,545.88

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Solution

The fourth proportional to 132,975.67, 183,506.02 and 72,545.88 is: 100,113.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,975.67 : 183,506.02 = 72,545.88 : x
  2. Step 2: Convert to fraction form
    132,975.67/183,506.02 = 72,545.88/x
  3. Step 3: Cross multiply
    132,975.67x = 183,506.02 × 72,545.88
  4. Step 4: Simplify right side
    132,975.67x = 13,312,606,621.05
  5. Step 5: Solve for x
    x = 13,312,606,621.05/132,975.67
  6. Step 6: Final answer
    x = 100,113.10

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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.