Home / 217,746.19-326,619.17-67,999.32

Finding the Fourth Proportional to 217,746.19, 326,619.17 and 67,999.32

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Solution

The fourth proportional to 217,746.19, 326,619.17 and 67,999.32 is: 101,998.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,746.19 : 326,619.17 = 67,999.32 : x
  2. Step 2: Convert to fraction form
    217,746.19/326,619.17 = 67,999.32/x
  3. Step 3: Cross multiply
    217,746.19x = 326,619.17 × 67,999.32
  4. Step 4: Simplify right side
    217,746.19x = 22,209,881,458.96
  5. Step 5: Solve for x
    x = 22,209,881,458.96/217,746.19
  6. Step 6: Final answer
    x = 101,998.94

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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.