Home / 134,088.84-185,036.62-80,403.48

Finding the Fourth Proportional to 134,088.84, 185,036.62 and 80,403.48

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Solution

The fourth proportional to 134,088.84, 185,036.62 and 80,403.48 is: 110,953.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,088.84 : 185,036.62 = 80,403.48 : x
  2. Step 2: Convert to fraction form
    134,088.84/185,036.62 = 80,403.48/x
  3. Step 3: Cross multiply
    134,088.84x = 185,036.62 × 80,403.48
  4. Step 4: Simplify right side
    134,088.84x = 14,877,588,175.44
  5. Step 5: Solve for x
    x = 14,877,588,175.44/134,088.84
  6. Step 6: Final answer
    x = 110,953.22

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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.