Home / 141,890.86-212,856.95-42,038.11

Finding the Fourth Proportional to 141,890.86, 212,856.95 and 42,038.11

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Solution

The fourth proportional to 141,890.86, 212,856.95 and 42,038.11 is: 63,063.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,890.86 : 212,856.95 = 42,038.11 : x
  2. Step 2: Convert to fraction form
    141,890.86/212,856.95 = 42,038.11/x
  3. Step 3: Cross multiply
    141,890.86x = 212,856.95 × 42,038.11
  4. Step 4: Simplify right side
    141,890.86x = 8,948,103,878.36
  5. Step 5: Solve for x
    x = 8,948,103,878.36/141,890.86
  6. Step 6: Final answer
    x = 63,063.29

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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.