Home / 284,235.32-392,234.52-156,908.18

Finding the Fourth Proportional to 284,235.32, 392,234.52 and 156,908.18

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Solution

The fourth proportional to 284,235.32, 392,234.52 and 156,908.18 is: 216,527.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,235.32 : 392,234.52 = 156,908.18 : x
  2. Step 2: Convert to fraction form
    284,235.32/392,234.52 = 156,908.18/x
  3. Step 3: Cross multiply
    284,235.32x = 392,234.52 × 156,908.18
  4. Step 4: Simplify right side
    284,235.32x = 61,544,804,666.37
  5. Step 5: Solve for x
    x = 61,544,804,666.37/284,235.32
  6. Step 6: Final answer
    x = 216,527.65

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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.