Home / 557,436.02-836,209.40-178,261.48

Finding the Fourth Proportional to 557,436.02, 836,209.40 and 178,261.48

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Solution

The fourth proportional to 557,436.02, 836,209.40 and 178,261.48 is: 267,409.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,436.02 : 836,209.40 = 178,261.48 : x
  2. Step 2: Convert to fraction form
    557,436.02/836,209.40 = 178,261.48/x
  3. Step 3: Cross multiply
    557,436.02x = 836,209.40 × 178,261.48
  4. Step 4: Simplify right side
    557,436.02x = 149,063,925,233.91
  5. Step 5: Solve for x
    x = 149,063,925,233.91/557,436.02
  6. Step 6: Final answer
    x = 267,409.93

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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.