Home / 284,384.12-392,442.57-157,056.98

Finding the Fourth Proportional to 284,384.12, 392,442.57 and 157,056.98

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Solution

The fourth proportional to 284,384.12, 392,442.57 and 157,056.98 is: 216,734.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,384.12 : 392,442.57 = 157,056.98 : x
  2. Step 2: Convert to fraction form
    284,384.12/392,442.57 = 157,056.98/x
  3. Step 3: Cross multiply
    284,384.12x = 392,442.57 × 157,056.98
  4. Step 4: Simplify right side
    284,384.12x = 61,635,842,905.43
  5. Step 5: Solve for x
    x = 61,635,842,905.43/284,384.12
  6. Step 6: Final answer
    x = 216,734.48

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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.