Home / 141,586.52-212,416.70-52,840.76

Finding the Fourth Proportional to 141,586.52, 212,416.70 and 52,840.76

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Solution

The fourth proportional to 141,586.52, 212,416.70 and 52,840.76 is: 79,274.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,586.52 : 212,416.70 = 52,840.76 : x
  2. Step 2: Convert to fraction form
    141,586.52/212,416.70 = 52,840.76/x
  3. Step 3: Cross multiply
    141,586.52x = 212,416.70 × 52,840.76
  4. Step 4: Simplify right side
    141,586.52x = 11,224,258,538.40
  5. Step 5: Solve for x
    x = 11,224,258,538.40/141,586.52
  6. Step 6: Final answer
    x = 79,274.91

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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.