Home / 292,120.02-438,180.03-70,504.02

Finding the Fourth Proportional to 292,120.02, 438,180.03 and 70,504.02

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Solution

The fourth proportional to 292,120.02, 438,180.03 and 70,504.02 is: 105,756.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,120.02 : 438,180.03 = 70,504.02 : x
  2. Step 2: Convert to fraction form
    292,120.02/438,180.03 = 70,504.02/x
  3. Step 3: Cross multiply
    292,120.02x = 438,180.03 × 70,504.02
  4. Step 4: Simplify right side
    292,120.02x = 30,893,453,598.72
  5. Step 5: Solve for x
    x = 30,893,453,598.72/292,120.02
  6. Step 6: Final answer
    x = 105,756.03

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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.