Home / 181,534.40-272,107.20-81,677.60

Finding the Fourth Proportional to 181,534.40, 272,107.20 and 81,677.60

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Solution

The fourth proportional to 181,534.40, 272,107.20 and 81,677.60 is: 122,428.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,534.40 : 272,107.20 = 81,677.60 : x
  2. Step 2: Convert to fraction form
    181,534.40/272,107.20 = 81,677.60/x
  3. Step 3: Cross multiply
    181,534.40x = 272,107.20 × 81,677.60
  4. Step 4: Simplify right side
    181,534.40x = 22,225,063,038.72
  5. Step 5: Solve for x
    x = 22,225,063,038.72/181,534.40
  6. Step 6: Final answer
    x = 122,428.93

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1.5x scale

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.