Home / 132,855.16-183,330.93-74,720.60

Finding the Fourth Proportional to 132,855.16, 183,330.93 and 74,720.60

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Solution

The fourth proportional to 132,855.16, 183,330.93 and 74,720.60 is: 103,109.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,855.16 : 183,330.93 = 74,720.60 : x
  2. Step 2: Convert to fraction form
    132,855.16/183,330.93 = 74,720.60/x
  3. Step 3: Cross multiply
    132,855.16x = 183,330.93 × 74,720.60
  4. Step 4: Simplify right side
    132,855.16x = 13,698,597,088.16
  5. Step 5: Solve for x
    x = 13,698,597,088.16/132,855.16
  6. Step 6: Final answer
    x = 103,109.26

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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.