Home / 119,285.28-164,670.03-75,699.79

Finding the Fourth Proportional to 119,285.28, 164,670.03 and 75,699.79

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Solution

The fourth proportional to 119,285.28, 164,670.03 and 75,699.79 is: 104,501.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,285.28 : 164,670.03 = 75,699.79 : x
  2. Step 2: Convert to fraction form
    119,285.28/164,670.03 = 75,699.79/x
  3. Step 3: Cross multiply
    119,285.28x = 164,670.03 × 75,699.79
  4. Step 4: Simplify right side
    119,285.28x = 12,465,486,278.62
  5. Step 5: Solve for x
    x = 12,465,486,278.62/119,285.28
  6. Step 6: Final answer
    x = 104,501.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.