Home / 113,317.56-156,371.58-65,567.52

Finding the Fourth Proportional to 113,317.56, 156,371.58 and 65,567.52

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Solution

The fourth proportional to 113,317.56, 156,371.58 and 65,567.52 is: 90,479.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,317.56 : 156,371.58 = 65,567.52 : x
  2. Step 2: Convert to fraction form
    113,317.56/156,371.58 = 65,567.52/x
  3. Step 3: Cross multiply
    113,317.56x = 156,371.58 × 65,567.52
  4. Step 4: Simplify right side
    113,317.56x = 10,252,896,699.08
  5. Step 5: Solve for x
    x = 10,252,896,699.08/113,317.56
  6. Step 6: Final answer
    x = 90,479.33

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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.