Home / 283,178.04-424,840.90-105,686.52

Finding the Fourth Proportional to 283,178.04, 424,840.90 and 105,686.52

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Solution

The fourth proportional to 283,178.04, 424,840.90 and 105,686.52 is: 158,557.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,178.04 : 424,840.90 = 105,686.52 : x
  2. Step 2: Convert to fraction form
    283,178.04/424,840.90 = 105,686.52/x
  3. Step 3: Cross multiply
    283,178.04x = 424,840.90 × 105,686.52
  4. Step 4: Simplify right side
    283,178.04x = 44,899,956,274.67
  5. Step 5: Solve for x
    x = 44,899,956,274.67/283,178.04
  6. Step 6: Final answer
    x = 158,557.34

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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.