Home / 132,886.93-183,428.40-79,188.79

Finding the Fourth Proportional to 132,886.93, 183,428.40 and 79,188.79

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Solution

The fourth proportional to 132,886.93, 183,428.40 and 79,188.79 is: 109,307.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,886.93 : 183,428.40 = 79,188.79 : x
  2. Step 2: Convert to fraction form
    132,886.93/183,428.40 = 79,188.79/x
  3. Step 3: Cross multiply
    132,886.93x = 183,428.40 × 79,188.79
  4. Step 4: Simplify right side
    132,886.93x = 14,525,473,047.64
  5. Step 5: Solve for x
    x = 14,525,473,047.64/132,886.93
  6. Step 6: Final answer
    x = 109,307.01

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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.