Home / 147,175.02-203,095.89-83,509.02

Finding the Fourth Proportional to 147,175.02, 203,095.89 and 83,509.02

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Solution

The fourth proportional to 147,175.02, 203,095.89 and 83,509.02 is: 115,239.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,175.02 : 203,095.89 = 83,509.02 : x
  2. Step 2: Convert to fraction form
    147,175.02/203,095.89 = 83,509.02/x
  3. Step 3: Cross multiply
    147,175.02x = 203,095.89 × 83,509.02
  4. Step 4: Simplify right side
    147,175.02x = 16,960,338,739.93
  5. Step 5: Solve for x
    x = 16,960,338,739.93/147,175.02
  6. Step 6: Final answer
    x = 115,239.25

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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.