Home / 284,610.65-392,759.08-157,283.51

Finding the Fourth Proportional to 284,610.65, 392,759.08 and 157,283.51

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Solution

The fourth proportional to 284,610.65, 392,759.08 and 157,283.51 is: 217,049.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,610.65 : 392,759.08 = 157,283.51 : x
  2. Step 2: Convert to fraction form
    284,610.65/392,759.08 = 157,283.51/x
  3. Step 3: Cross multiply
    284,610.65x = 392,759.08 × 157,283.51
  4. Step 4: Simplify right side
    284,610.65x = 61,774,524,329.77
  5. Step 5: Solve for x
    x = 61,774,524,329.77/284,610.65
  6. Step 6: Final answer
    x = 217,049.24

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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.