Home / 285,156.06-393,510.60-157,828.92

Finding the Fourth Proportional to 285,156.06, 393,510.60 and 157,828.92

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Solution

The fourth proportional to 285,156.06, 393,510.60 and 157,828.92 is: 217,801.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,156.06 : 393,510.60 = 157,828.92 : x
  2. Step 2: Convert to fraction form
    285,156.06/393,510.60 = 157,828.92/x
  3. Step 3: Cross multiply
    285,156.06x = 393,510.60 × 157,828.92
  4. Step 4: Simplify right side
    285,156.06x = 62,107,353,006.55
  5. Step 5: Solve for x
    x = 62,107,353,006.55/285,156.06
  6. Step 6: Final answer
    x = 217,801.27

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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.