Home / 134,204.51-185,128.32-85,056.23

Finding the Fourth Proportional to 134,204.51, 185,128.32 and 85,056.23

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Solution

The fourth proportional to 134,204.51, 185,128.32 and 85,056.23 is: 117,330.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,204.51 : 185,128.32 = 85,056.23 : x
  2. Step 2: Convert to fraction form
    134,204.51/185,128.32 = 85,056.23/x
  3. Step 3: Cross multiply
    134,204.51x = 185,128.32 × 85,056.23
  4. Step 4: Simplify right side
    134,204.51x = 15,746,316,965.43
  5. Step 5: Solve for x
    x = 15,746,316,965.43/134,204.51
  6. Step 6: Final answer
    x = 117,330.76

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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.