Home / 132,938.32-183,465.75-75,595.60

Finding the Fourth Proportional to 132,938.32, 183,465.75 and 75,595.60

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Solution

The fourth proportional to 132,938.32, 183,465.75 and 75,595.60 is: 104,328.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,938.32 : 183,465.75 = 75,595.60 : x
  2. Step 2: Convert to fraction form
    132,938.32/183,465.75 = 75,595.60/x
  3. Step 3: Cross multiply
    132,938.32x = 183,465.75 × 75,595.60
  4. Step 4: Simplify right side
    132,938.32x = 13,869,203,450.70
  5. Step 5: Solve for x
    x = 13,869,203,450.70/132,938.32
  6. Step 6: Final answer
    x = 104,328.11

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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.