Home / 147,746.25-221,619.38-36,938.25

Finding the Fourth Proportional to 147,746.25, 221,619.38 and 36,938.25

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Solution

The fourth proportional to 147,746.25, 221,619.38 and 36,938.25 is: 55,407.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,746.25 : 221,619.38 = 36,938.25 : x
  2. Step 2: Convert to fraction form
    147,746.25/221,619.38 = 36,938.25/x
  3. Step 3: Cross multiply
    147,746.25x = 221,619.38 × 36,938.25
  4. Step 4: Simplify right side
    147,746.25x = 8,186,231,878.59
  5. Step 5: Solve for x
    x = 8,186,231,878.59/147,746.25
  6. Step 6: Final answer
    x = 55,407.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.