Home / 284,050.48-392,131.70-176,655.12

Finding the Fourth Proportional to 284,050.48, 392,131.70 and 176,655.12

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Solution

The fourth proportional to 284,050.48, 392,131.70 and 176,655.12 is: 243,872.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,050.48 : 392,131.70 = 176,655.12 : x
  2. Step 2: Convert to fraction form
    284,050.48/392,131.70 = 176,655.12/x
  3. Step 3: Cross multiply
    284,050.48x = 392,131.70 × 176,655.12
  4. Step 4: Simplify right side
    284,050.48x = 69,272,072,519.30
  5. Step 5: Solve for x
    x = 69,272,072,519.30/284,050.48
  6. Step 6: Final answer
    x = 243,872.40

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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.