Home / 442,131.02-663,236.63-122,302.93

Finding the Fourth Proportional to 442,131.02, 663,236.63 and 122,302.93

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Solution

The fourth proportional to 442,131.02, 663,236.63 and 122,302.93 is: 183,465.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,131.02 : 663,236.63 = 122,302.93 : x
  2. Step 2: Convert to fraction form
    442,131.02/663,236.63 = 122,302.93/x
  3. Step 3: Cross multiply
    442,131.02x = 663,236.63 × 122,302.93
  4. Step 4: Simplify right side
    442,131.02x = 81,115,779,204.63
  5. Step 5: Solve for x
    x = 81,115,779,204.63/442,131.02
  6. Step 6: Final answer
    x = 183,465.48

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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.