Home / 191,983.56-288,040.14-120,959.52

Finding the Fourth Proportional to 191,983.56, 288,040.14 and 120,959.52

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Solution

The fourth proportional to 191,983.56, 288,040.14 and 120,959.52 is: 181,480.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,983.56 : 288,040.14 = 120,959.52 : x
  2. Step 2: Convert to fraction form
    191,983.56/288,040.14 = 120,959.52/x
  3. Step 3: Cross multiply
    191,983.56x = 288,040.14 × 120,959.52
  4. Step 4: Simplify right side
    191,983.56x = 34,841,197,075.13
  5. Step 5: Solve for x
    x = 34,841,197,075.13/191,983.56
  6. Step 6: Final answer
    x = 181,480.11

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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.