Home / 285,159.04-393,513.60-157,827.04

Finding the Fourth Proportional to 285,159.04, 393,513.60 and 157,827.04

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Solution

The fourth proportional to 285,159.04, 393,513.60 and 157,827.04 is: 217,798.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,159.04 : 393,513.60 = 157,827.04 : x
  2. Step 2: Convert to fraction form
    285,159.04/393,513.60 = 157,827.04/x
  3. Step 3: Cross multiply
    285,159.04x = 393,513.60 × 157,827.04
  4. Step 4: Simplify right side
    285,159.04x = 62,107,086,687.74
  5. Step 5: Solve for x
    x = 62,107,086,687.74/285,159.04
  6. Step 6: Final answer
    x = 217,798.06

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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.