Home / 102,055.88-153,122.66-92,160.92

Finding the Fourth Proportional to 102,055.88, 153,122.66 and 92,160.92

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Solution

The fourth proportional to 102,055.88, 153,122.66 and 92,160.92 is: 138,276.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,055.88 : 153,122.66 = 92,160.92 : x
  2. Step 2: Convert to fraction form
    102,055.88/153,122.66 = 92,160.92/x
  3. Step 3: Cross multiply
    102,055.88x = 153,122.66 × 92,160.92
  4. Step 4: Simplify right side
    102,055.88x = 14,111,925,218.45
  5. Step 5: Solve for x
    x = 14,111,925,218.45/102,055.88
  6. Step 6: Final answer
    x = 138,276.45

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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.