Home / 119,326.32-164,666.84-65,611.28

Finding the Fourth Proportional to 119,326.32, 164,666.84 and 65,611.28

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Solution

The fourth proportional to 119,326.32, 164,666.84 and 65,611.28 is: 90,541.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,326.32 : 164,666.84 = 65,611.28 : x
  2. Step 2: Convert to fraction form
    119,326.32/164,666.84 = 65,611.28/x
  3. Step 3: Cross multiply
    119,326.32x = 164,666.84 × 65,611.28
  4. Step 4: Simplify right side
    119,326.32x = 10,804,002,145.96
  5. Step 5: Solve for x
    x = 10,804,002,145.96/119,326.32
  6. Step 6: Final answer
    x = 90,541.65

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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.