Home / 156,935.30-235,402.95-51,748.70

Finding the Fourth Proportional to 156,935.30, 235,402.95 and 51,748.70

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Solution

The fourth proportional to 156,935.30, 235,402.95 and 51,748.70 is: 77,623.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,935.30 : 235,402.95 = 51,748.70 : x
  2. Step 2: Convert to fraction form
    156,935.30/235,402.95 = 51,748.70/x
  3. Step 3: Cross multiply
    156,935.30x = 235,402.95 × 51,748.70
  4. Step 4: Simplify right side
    156,935.30x = 12,181,796,638.67
  5. Step 5: Solve for x
    x = 12,181,796,638.67/156,935.30
  6. Step 6: Final answer
    x = 77,623.05

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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.