Home / 141,953.28-212,929.60-57,759.16

Finding the Fourth Proportional to 141,953.28, 212,929.60 and 57,759.16

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Solution

The fourth proportional to 141,953.28, 212,929.60 and 57,759.16 is: 86,638.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,953.28 : 212,929.60 = 57,759.16 : x
  2. Step 2: Convert to fraction form
    141,953.28/212,929.60 = 57,759.16/x
  3. Step 3: Cross multiply
    141,953.28x = 212,929.60 × 57,759.16
  4. Step 4: Simplify right side
    141,953.28x = 12,298,634,835.14
  5. Step 5: Solve for x
    x = 12,298,634,835.14/141,953.28
  6. Step 6: Final answer
    x = 86,638.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.