Home / 163,962.30-245,943.45-51,656.70

Finding the Fourth Proportional to 163,962.30, 245,943.45 and 51,656.70

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Solution

The fourth proportional to 163,962.30, 245,943.45 and 51,656.70 is: 77,485.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,962.30 : 245,943.45 = 51,656.70 : x
  2. Step 2: Convert to fraction form
    163,962.30/245,943.45 = 51,656.70/x
  3. Step 3: Cross multiply
    163,962.30x = 245,943.45 × 51,656.70
  4. Step 4: Simplify right side
    163,962.30x = 12,704,627,013.62
  5. Step 5: Solve for x
    x = 12,704,627,013.62/163,962.30
  6. Step 6: Final answer
    x = 77,485.05

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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.