Home / 282,931.38-424,390.91-133,088.61

Finding the Fourth Proportional to 282,931.38, 424,390.91 and 133,088.61

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Solution

The fourth proportional to 282,931.38, 424,390.91 and 133,088.61 is: 199,630.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,931.38 : 424,390.91 = 133,088.61 : x
  2. Step 2: Convert to fraction form
    282,931.38/424,390.91 = 133,088.61/x
  3. Step 3: Cross multiply
    282,931.38x = 424,390.91 × 133,088.61
  4. Step 4: Simplify right side
    282,931.38x = 56,481,595,643.09
  5. Step 5: Solve for x
    x = 56,481,595,643.09/282,931.38
  6. Step 6: Final answer
    x = 199,630.02

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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.