Home / 106,863.32-147,476.76-64,435.52

Finding the Fourth Proportional to 106,863.32, 147,476.76 and 64,435.52

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Solution

The fourth proportional to 106,863.32, 147,476.76 and 64,435.52 is: 88,924.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,863.32 : 147,476.76 = 64,435.52 : x
  2. Step 2: Convert to fraction form
    106,863.32/147,476.76 = 64,435.52/x
  3. Step 3: Cross multiply
    106,863.32x = 147,476.76 × 64,435.52
  4. Step 4: Simplify right side
    106,863.32x = 9,502,741,718.52
  5. Step 5: Solve for x
    x = 9,502,741,718.52/106,863.32
  6. Step 6: Final answer
    x = 88,924.26

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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.