Home / 132,803.26-183,266.08-72,374.42

Finding the Fourth Proportional to 132,803.26, 183,266.08 and 72,374.42

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Solution

The fourth proportional to 132,803.26, 183,266.08 and 72,374.42 is: 99,875.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,803.26 : 183,266.08 = 72,374.42 : x
  2. Step 2: Convert to fraction form
    132,803.26/183,266.08 = 72,374.42/x
  3. Step 3: Cross multiply
    132,803.26x = 183,266.08 × 72,374.42
  4. Step 4: Simplify right side
    132,803.26x = 13,263,776,522.90
  5. Step 5: Solve for x
    x = 13,263,776,522.90/132,803.26
  6. Step 6: Final answer
    x = 99,875.39

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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.