Home / 118,895.04-163,931.68-102,733.14

Finding the Fourth Proportional to 118,895.04, 163,931.68 and 102,733.14

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Solution

The fourth proportional to 118,895.04, 163,931.68 and 102,733.14 is: 141,647.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,895.04 : 163,931.68 = 102,733.14 : x
  2. Step 2: Convert to fraction form
    118,895.04/163,931.68 = 102,733.14/x
  3. Step 3: Cross multiply
    118,895.04x = 163,931.68 × 102,733.14
  4. Step 4: Simplify right side
    118,895.04x = 16,841,216,231.88
  5. Step 5: Solve for x
    x = 16,841,216,231.88/118,895.04
  6. Step 6: Final answer
    x = 141,647.76

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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.