Home / 261,027.90-392,377.05-242,538.30

Finding the Fourth Proportional to 261,027.90, 392,377.05 and 242,538.30

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Solution

The fourth proportional to 261,027.90, 392,377.05 and 242,538.30 is: 364,583.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,027.90 : 392,377.05 = 242,538.30 : x
  2. Step 2: Convert to fraction form
    261,027.90/392,377.05 = 242,538.30/x
  3. Step 3: Cross multiply
    261,027.90x = 392,377.05 × 242,538.30
  4. Step 4: Simplify right side
    261,027.90x = 95,166,462,666.02
  5. Step 5: Solve for x
    x = 95,166,462,666.02/261,027.90
  6. Step 6: Final answer
    x = 364,583.49

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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.