Home / 147,416.36-203,440.02-83,764.94

Finding the Fourth Proportional to 147,416.36, 203,440.02 and 83,764.94

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Solution

The fourth proportional to 147,416.36, 203,440.02 and 83,764.94 is: 115,598.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,416.36 : 203,440.02 = 83,764.94 : x
  2. Step 2: Convert to fraction form
    147,416.36/203,440.02 = 83,764.94/x
  3. Step 3: Cross multiply
    147,416.36x = 203,440.02 × 83,764.94
  4. Step 4: Simplify right side
    147,416.36x = 17,041,141,068.90
  5. Step 5: Solve for x
    x = 17,041,141,068.90/147,416.36
  6. Step 6: Final answer
    x = 115,598.71

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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.