Home / 132,307.90-182,580.69-75,718.06

Finding the Fourth Proportional to 132,307.90, 182,580.69 and 75,718.06

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Solution

The fourth proportional to 132,307.90, 182,580.69 and 75,718.06 is: 104,488.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,307.90 : 182,580.69 = 75,718.06 : x
  2. Step 2: Convert to fraction form
    132,307.90/182,580.69 = 75,718.06/x
  3. Step 3: Cross multiply
    132,307.90x = 182,580.69 × 75,718.06
  4. Step 4: Simplify right side
    132,307.90x = 13,824,655,640.26
  5. Step 5: Solve for x
    x = 13,824,655,640.26/132,307.90
  6. Step 6: Final answer
    x = 104,488.51

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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.