Home / 285,276.76-393,694.23-157,952.37

Finding the Fourth Proportional to 285,276.76, 393,694.23 and 157,952.37

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Solution

The fourth proportional to 285,276.76, 393,694.23 and 157,952.37 is: 217,981.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,276.76 : 393,694.23 = 157,952.37 : x
  2. Step 2: Convert to fraction form
    285,276.76/393,694.23 = 157,952.37/x
  3. Step 3: Cross multiply
    285,276.76x = 393,694.23 × 157,952.37
  4. Step 4: Simplify right side
    285,276.76x = 62,184,934,715.35
  5. Step 5: Solve for x
    x = 62,184,934,715.35/285,276.76
  6. Step 6: Final answer
    x = 217,981.07

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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.