Home / 284,076.96-392,168.13-176,681.61

Finding the Fourth Proportional to 284,076.96, 392,168.13 and 176,681.61

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Solution

The fourth proportional to 284,076.96, 392,168.13 and 176,681.61 is: 243,908.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,076.96 : 392,168.13 = 176,681.61 : x
  2. Step 2: Convert to fraction form
    284,076.96/392,168.13 = 176,681.61/x
  3. Step 3: Cross multiply
    284,076.96x = 392,168.13 × 176,681.61
  4. Step 4: Simplify right side
    284,076.96x = 69,288,896,599.09
  5. Step 5: Solve for x
    x = 69,288,896,599.09/284,076.96
  6. Step 6: Final answer
    x = 243,908.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.