Home / 186,155.04-256,886.40-101,272.44

Finding the Fourth Proportional to 186,155.04, 256,886.40 and 101,272.44

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Solution

The fourth proportional to 186,155.04, 256,886.40 and 101,272.44 is: 139,751.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,155.04 : 256,886.40 = 101,272.44 : x
  2. Step 2: Convert to fraction form
    186,155.04/256,886.40 = 101,272.44/x
  3. Step 3: Cross multiply
    186,155.04x = 256,886.40 × 101,272.44
  4. Step 4: Simplify right side
    186,155.04x = 26,015,512,530.82
  5. Step 5: Solve for x
    x = 26,015,512,530.82/186,155.04
  6. Step 6: Final answer
    x = 139,751.86

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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.