Home / 285,381.04-393,829.14-158,058.76

Finding the Fourth Proportional to 285,381.04, 393,829.14 and 158,058.76

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Solution

The fourth proportional to 285,381.04, 393,829.14 and 158,058.76 is: 218,122.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,381.04 : 393,829.14 = 158,058.76 : x
  2. Step 2: Convert to fraction form
    285,381.04/393,829.14 = 158,058.76/x
  3. Step 3: Cross multiply
    285,381.04x = 393,829.14 × 158,058.76
  4. Step 4: Simplify right side
    285,381.04x = 62,248,145,520.27
  5. Step 5: Solve for x
    x = 62,248,145,520.27/285,381.04
  6. Step 6: Final answer
    x = 218,122.92

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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.