Home / 282,307.68-423,527.40-82,631.34

Finding the Fourth Proportional to 282,307.68, 423,527.40 and 82,631.34

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Solution

The fourth proportional to 282,307.68, 423,527.40 and 82,631.34 is: 123,966.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,307.68 : 423,527.40 = 82,631.34 : x
  2. Step 2: Convert to fraction form
    282,307.68/423,527.40 = 82,631.34/x
  3. Step 3: Cross multiply
    282,307.68x = 423,527.40 × 82,631.34
  4. Step 4: Simplify right side
    282,307.68x = 34,996,636,588.72
  5. Step 5: Solve for x
    x = 34,996,636,588.72/282,307.68
  6. Step 6: Final answer
    x = 123,966.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.