Home / 137,457.28-206,127.60-48,733.12

Finding the Fourth Proportional to 137,457.28, 206,127.60 and 48,733.12

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Solution

The fourth proportional to 137,457.28, 206,127.60 and 48,733.12 is: 73,079.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,457.28 : 206,127.60 = 48,733.12 : x
  2. Step 2: Convert to fraction form
    137,457.28/206,127.60 = 48,733.12/x
  3. Step 3: Cross multiply
    137,457.28x = 206,127.60 × 48,733.12
  4. Step 4: Simplify right side
    137,457.28x = 10,045,241,066.11
  5. Step 5: Solve for x
    x = 10,045,241,066.11/137,457.28
  6. Step 6: Final answer
    x = 73,079.00

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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.