Home / 146,646.18-220,008.15-53,165.70

Finding the Fourth Proportional to 146,646.18, 220,008.15 and 53,165.70

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Solution

The fourth proportional to 146,646.18, 220,008.15 and 53,165.70 is: 79,762.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,646.18 : 220,008.15 = 53,165.70 : x
  2. Step 2: Convert to fraction form
    146,646.18/220,008.15 = 53,165.70/x
  3. Step 3: Cross multiply
    146,646.18x = 220,008.15 × 53,165.70
  4. Step 4: Simplify right side
    146,646.18x = 11,696,887,300.46
  5. Step 5: Solve for x
    x = 11,696,887,300.46/146,646.18
  6. Step 6: Final answer
    x = 79,762.65

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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.