Home / 120,701.10-180,936.45-94,032.30

Finding the Fourth Proportional to 120,701.10, 180,936.45 and 94,032.30

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Solution

The fourth proportional to 120,701.10, 180,936.45 and 94,032.30 is: 140,958.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,701.10 : 180,936.45 = 94,032.30 : x
  2. Step 2: Convert to fraction form
    120,701.10/180,936.45 = 94,032.30/x
  3. Step 3: Cross multiply
    120,701.10x = 180,936.45 × 94,032.30
  4. Step 4: Simplify right side
    120,701.10x = 17,013,870,547.34
  5. Step 5: Solve for x
    x = 17,013,870,547.34/120,701.10
  6. Step 6: Final answer
    x = 140,958.70

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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.