Home / 119,403.96-164,774.16-64,954.32

Finding the Fourth Proportional to 119,403.96, 164,774.16 and 64,954.32

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Solution

The fourth proportional to 119,403.96, 164,774.16 and 64,954.32 is: 89,635.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,403.96 : 164,774.16 = 64,954.32 : x
  2. Step 2: Convert to fraction form
    119,403.96/164,774.16 = 64,954.32/x
  3. Step 3: Cross multiply
    119,403.96x = 164,774.16 × 64,954.32
  4. Step 4: Simplify right side
    119,403.96x = 10,702,793,516.37
  5. Step 5: Solve for x
    x = 10,702,793,516.37/119,403.96
  6. Step 6: Final answer
    x = 89,635.16

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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.