Home / 283,904.67-391,785.48-156,577.53

Finding the Fourth Proportional to 283,904.67, 391,785.48 and 156,577.53

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Solution

The fourth proportional to 283,904.67, 391,785.48 and 156,577.53 is: 216,075.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,904.67 : 391,785.48 = 156,577.53 : x
  2. Step 2: Convert to fraction form
    283,904.67/391,785.48 = 156,577.53/x
  3. Step 3: Cross multiply
    283,904.67x = 391,785.48 × 156,577.53
  4. Step 4: Simplify right side
    283,904.67x = 61,344,802,748.26
  5. Step 5: Solve for x
    x = 61,344,802,748.26/283,904.67
  6. Step 6: Final answer
    x = 216,075.36

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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.