Home / 119,051.17-164,290.48-65,336.32

Finding the Fourth Proportional to 119,051.17, 164,290.48 and 65,336.32

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Solution

The fourth proportional to 119,051.17, 164,290.48 and 65,336.32 is: 90,164.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,051.17 : 164,290.48 = 65,336.32 : x
  2. Step 2: Convert to fraction form
    119,051.17/164,290.48 = 65,336.32/x
  3. Step 3: Cross multiply
    119,051.17x = 164,290.48 × 65,336.32
  4. Step 4: Simplify right side
    119,051.17x = 10,734,135,416.26
  5. Step 5: Solve for x
    x = 10,734,135,416.26/119,051.17
  6. Step 6: Final answer
    x = 90,164.05

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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.