Home / 292,623.60-439,081.20-166,360.80

Finding the Fourth Proportional to 292,623.60, 439,081.20 and 166,360.80

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Solution

The fourth proportional to 292,623.60, 439,081.20 and 166,360.80 is: 249,624.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,623.60 : 439,081.20 = 166,360.80 : x
  2. Step 2: Convert to fraction form
    292,623.60/439,081.20 = 166,360.80/x
  3. Step 3: Cross multiply
    292,623.60x = 439,081.20 × 166,360.80
  4. Step 4: Simplify right side
    292,623.60x = 73,045,899,696.96
  5. Step 5: Solve for x
    x = 73,045,899,696.96/292,623.60
  6. Step 6: Final answer
    x = 249,624.09

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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.