Home / 285,254.73-393,624.27-170,510.59

Finding the Fourth Proportional to 285,254.73, 393,624.27 and 170,510.59

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Solution

The fourth proportional to 285,254.73, 393,624.27 and 170,510.59 is: 235,288.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,254.73 : 393,624.27 = 170,510.59 : x
  2. Step 2: Convert to fraction form
    285,254.73/393,624.27 = 170,510.59/x
  3. Step 3: Cross multiply
    285,254.73x = 393,624.27 × 170,510.59
  4. Step 4: Simplify right side
    285,254.73x = 67,117,106,516.02
  5. Step 5: Solve for x
    x = 67,117,106,516.02/285,254.73
  6. Step 6: Final answer
    x = 235,288.32

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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.