Home / 147,281.04-203,259.48-83,621.52

Finding the Fourth Proportional to 147,281.04, 203,259.48 and 83,621.52

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Solution

The fourth proportional to 147,281.04, 203,259.48 and 83,621.52 is: 115,404.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,281.04 : 203,259.48 = 83,621.52 : x
  2. Step 2: Convert to fraction form
    147,281.04/203,259.48 = 83,621.52/x
  3. Step 3: Cross multiply
    147,281.04x = 203,259.48 × 83,621.52
  4. Step 4: Simplify right side
    147,281.04x = 16,996,866,672.01
  5. Step 5: Solve for x
    x = 16,996,866,672.01/147,281.04
  6. Step 6: Final answer
    x = 115,404.31

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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.