Home / 132,975.70-183,506.08-72,545.92

Finding the Fourth Proportional to 132,975.70, 183,506.08 and 72,545.92

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Solution

The fourth proportional to 132,975.70, 183,506.08 and 72,545.92 is: 100,113.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,975.70 : 183,506.08 = 72,545.92 : x
  2. Step 2: Convert to fraction form
    132,975.70/183,506.08 = 72,545.92/x
  3. Step 3: Cross multiply
    132,975.70x = 183,506.08 × 72,545.92
  4. Step 4: Simplify right side
    132,975.70x = 13,312,617,399.19
  5. Step 5: Solve for x
    x = 13,312,617,399.19/132,975.70
  6. Step 6: Final answer
    x = 100,113.16

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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.