Home / 119,642.10-165,113.34-65,927.07

Finding the Fourth Proportional to 119,642.10, 165,113.34 and 65,927.07

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Solution

The fourth proportional to 119,642.10, 165,113.34 and 65,927.07 is: 90,983.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,642.10 : 165,113.34 = 65,927.07 : x
  2. Step 2: Convert to fraction form
    119,642.10/165,113.34 = 65,927.07/x
  3. Step 3: Cross multiply
    119,642.10x = 165,113.34 × 65,927.07
  4. Step 4: Simplify right side
    119,642.10x = 10,885,438,724.11
  5. Step 5: Solve for x
    x = 10,885,438,724.11/119,642.10
  6. Step 6: Final answer
    x = 90,983.35

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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.