Home / 261,779.04-392,668.56-84,299.94

Finding the Fourth Proportional to 261,779.04, 392,668.56 and 84,299.94

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Solution

The fourth proportional to 261,779.04, 392,668.56 and 84,299.94 is: 126,449.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,779.04 : 392,668.56 = 84,299.94 : x
  2. Step 2: Convert to fraction form
    261,779.04/392,668.56 = 84,299.94/x
  3. Step 3: Cross multiply
    261,779.04x = 392,668.56 × 84,299.94
  4. Step 4: Simplify right side
    261,779.04x = 33,101,936,047.89
  5. Step 5: Solve for x
    x = 33,101,936,047.89/261,779.04
  6. Step 6: Final answer
    x = 126,449.91

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1.5x scale

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.