Home / 151,821.40-227,586.30-118,068.70

Finding the Fourth Proportional to 151,821.40, 227,586.30 and 118,068.70

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Solution

The fourth proportional to 151,821.40, 227,586.30 and 118,068.70 is: 176,989.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,821.40 : 227,586.30 = 118,068.70 : x
  2. Step 2: Convert to fraction form
    151,821.40/227,586.30 = 118,068.70/x
  3. Step 3: Cross multiply
    151,821.40x = 227,586.30 × 118,068.70
  4. Step 4: Simplify right side
    151,821.40x = 26,870,818,578.81
  5. Step 5: Solve for x
    x = 26,870,818,578.81/151,821.40
  6. Step 6: Final answer
    x = 176,989.66

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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.