Home / 169,931.40-254,897.10-146,311.80

Finding the Fourth Proportional to 169,931.40, 254,897.10 and 146,311.80

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Solution

The fourth proportional to 169,931.40, 254,897.10 and 146,311.80 is: 219,467.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,931.40 : 254,897.10 = 146,311.80 : x
  2. Step 2: Convert to fraction form
    169,931.40/254,897.10 = 146,311.80/x
  3. Step 3: Cross multiply
    169,931.40x = 254,897.10 × 146,311.80
  4. Step 4: Simplify right side
    169,931.40x = 37,294,453,515.78
  5. Step 5: Solve for x
    x = 37,294,453,515.78/169,931.40
  6. Step 6: Final answer
    x = 219,467.70

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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.