Home / 119,571.12-165,008.34-65,856.24

Finding the Fourth Proportional to 119,571.12, 165,008.34 and 65,856.24

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Solution

The fourth proportional to 119,571.12, 165,008.34 and 65,856.24 is: 90,881.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,571.12 : 165,008.34 = 65,856.24 : x
  2. Step 2: Convert to fraction form
    119,571.12/165,008.34 = 65,856.24/x
  3. Step 3: Cross multiply
    119,571.12x = 165,008.34 × 65,856.24
  4. Step 4: Simplify right side
    119,571.12x = 10,866,828,841.04
  5. Step 5: Solve for x
    x = 10,866,828,841.04/119,571.12
  6. Step 6: Final answer
    x = 90,881.72

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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.