Home / 282,946.80-390,512.08-166,679.04

Finding the Fourth Proportional to 282,946.80, 390,512.08 and 166,679.04

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Solution

The fourth proportional to 282,946.80, 390,512.08 and 166,679.04 is: 230,043.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,946.80 : 390,512.08 = 166,679.04 : x
  2. Step 2: Convert to fraction form
    282,946.80/390,512.08 = 166,679.04/x
  3. Step 3: Cross multiply
    282,946.80x = 390,512.08 × 166,679.04
  4. Step 4: Simplify right side
    282,946.80x = 65,090,178,602.80
  5. Step 5: Solve for x
    x = 65,090,178,602.80/282,946.80
  6. Step 6: Final answer
    x = 230,043.88

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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.