Home / 112,920.06-169,326.43-65,549.67

Finding the Fourth Proportional to 112,920.06, 169,326.43 and 65,549.67

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Solution

The fourth proportional to 112,920.06, 169,326.43 and 65,549.67 is: 98,293.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,920.06 : 169,326.43 = 65,549.67 : x
  2. Step 2: Convert to fraction form
    112,920.06/169,326.43 = 65,549.67/x
  3. Step 3: Cross multiply
    112,920.06x = 169,326.43 × 65,549.67
  4. Step 4: Simplify right side
    112,920.06x = 11,099,291,281.03
  5. Step 5: Solve for x
    x = 11,099,291,281.03/112,920.06
  6. Step 6: Final answer
    x = 98,293.36

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1.5x scale

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.