Home / 141,840.40-212,809.20-63,011.20

Finding the Fourth Proportional to 141,840.40, 212,809.20 and 63,011.20

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Solution

The fourth proportional to 141,840.40, 212,809.20 and 63,011.20 is: 94,538.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,840.40 : 212,809.20 = 63,011.20 : x
  2. Step 2: Convert to fraction form
    141,840.40/212,809.20 = 63,011.20/x
  3. Step 3: Cross multiply
    141,840.40x = 212,809.20 × 63,011.20
  4. Step 4: Simplify right side
    141,840.40x = 13,409,363,063.04
  5. Step 5: Solve for x
    x = 13,409,363,063.04/141,840.40
  6. Step 6: Final answer
    x = 94,538.39

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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.