Home / 118,306.29-163,263.53-64,592.37

Finding the Fourth Proportional to 118,306.29, 163,263.53 and 64,592.37

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Solution

The fourth proportional to 118,306.29, 163,263.53 and 64,592.37 is: 89,137.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,306.29 : 163,263.53 = 64,592.37 : x
  2. Step 2: Convert to fraction form
    118,306.29/163,263.53 = 64,592.37/x
  3. Step 3: Cross multiply
    118,306.29x = 163,263.53 × 64,592.37
  4. Step 4: Simplify right side
    118,306.29x = 10,545,578,014.30
  5. Step 5: Solve for x
    x = 10,545,578,014.30/118,306.29
  6. Step 6: Final answer
    x = 89,137.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.