Home / 187,535.16-281,301.90-76,727.16

Finding the Fourth Proportional to 187,535.16, 281,301.90 and 76,727.16

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Solution

The fourth proportional to 187,535.16, 281,301.90 and 76,727.16 is: 115,090.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,535.16 : 281,301.90 = 76,727.16 : x
  2. Step 2: Convert to fraction form
    187,535.16/281,301.90 = 76,727.16/x
  3. Step 3: Cross multiply
    187,535.16x = 281,301.90 × 76,727.16
  4. Step 4: Simplify right side
    187,535.16x = 21,583,495,889.60
  5. Step 5: Solve for x
    x = 21,583,495,889.60/187,535.16
  6. Step 6: Final answer
    x = 115,090.40

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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.