Home / 132,895.78-183,389.41-72,465.93

Finding the Fourth Proportional to 132,895.78, 183,389.41 and 72,465.93

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Solution

The fourth proportional to 132,895.78, 183,389.41 and 72,465.93 is: 99,999.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,895.78 : 183,389.41 = 72,465.93 : x
  2. Step 2: Convert to fraction form
    132,895.78/183,389.41 = 72,465.93/x
  3. Step 3: Cross multiply
    132,895.78x = 183,389.41 × 72,465.93
  4. Step 4: Simplify right side
    132,895.78x = 13,289,484,147.80
  5. Step 5: Solve for x
    x = 13,289,484,147.80/132,895.78
  6. Step 6: Final answer
    x = 99,999.29

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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.