Home / 134,151.02-185,088.06-80,416.43

Finding the Fourth Proportional to 134,151.02, 185,088.06 and 80,416.43

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Solution

The fourth proportional to 134,151.02, 185,088.06 and 80,416.43 is: 110,950.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,151.02 : 185,088.06 = 80,416.43 : x
  2. Step 2: Convert to fraction form
    134,151.02/185,088.06 = 80,416.43/x
  3. Step 3: Cross multiply
    134,151.02x = 185,088.06 × 80,416.43
  4. Step 4: Simplify right side
    134,151.02x = 14,884,121,020.83
  5. Step 5: Solve for x
    x = 14,884,121,020.83/134,151.02
  6. Step 6: Final answer
    x = 110,950.49

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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.