Home / 285,386.06-393,827.94-158,058.92

Finding the Fourth Proportional to 285,386.06, 393,827.94 and 158,058.92

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Solution

The fourth proportional to 285,386.06, 393,827.94 and 158,058.92 is: 218,118.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,386.06 : 393,827.94 = 158,058.92 : x
  2. Step 2: Convert to fraction form
    285,386.06/393,827.94 = 158,058.92/x
  3. Step 3: Cross multiply
    285,386.06x = 393,827.94 × 158,058.92
  4. Step 4: Simplify right side
    285,386.06x = 62,248,019,846.79
  5. Step 5: Solve for x
    x = 62,248,019,846.79/285,386.06
  6. Step 6: Final answer
    x = 218,118.64

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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.