Home / 185,767.68-256,361.28-100,886.40

Finding the Fourth Proportional to 185,767.68, 256,361.28 and 100,886.40

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Solution

The fourth proportional to 185,767.68, 256,361.28 and 100,886.40 is: 139,224.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,767.68 : 256,361.28 = 100,886.40 : x
  2. Step 2: Convert to fraction form
    185,767.68/256,361.28 = 100,886.40/x
  3. Step 3: Cross multiply
    185,767.68x = 256,361.28 × 100,886.40
  4. Step 4: Simplify right side
    185,767.68x = 25,863,366,638.59
  5. Step 5: Solve for x
    x = 25,863,366,638.59/185,767.68
  6. Step 6: Final answer
    x = 139,224.25

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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.