Home / 282,302.40-423,518.52-82,618.08

Finding the Fourth Proportional to 282,302.40, 423,518.52 and 82,618.08

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Solution

The fourth proportional to 282,302.40, 423,518.52 and 82,618.08 is: 123,946.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,302.40 : 423,518.52 = 82,618.08 : x
  2. Step 2: Convert to fraction form
    282,302.40/423,518.52 = 82,618.08/x
  3. Step 3: Cross multiply
    282,302.40x = 423,518.52 × 82,618.08
  4. Step 4: Simplify right side
    282,302.40x = 34,990,286,966.84
  5. Step 5: Solve for x
    x = 34,990,286,966.84/282,302.40
  6. Step 6: Final answer
    x = 123,946.12

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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.