Home / 286,927.04-395,956.80-159,605.76

Finding the Fourth Proportional to 286,927.04, 395,956.80 and 159,605.76

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Solution

The fourth proportional to 286,927.04, 395,956.80 and 159,605.76 is: 220,254.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,927.04 : 395,956.80 = 159,605.76 : x
  2. Step 2: Convert to fraction form
    286,927.04/395,956.80 = 159,605.76/x
  3. Step 3: Cross multiply
    286,927.04x = 395,956.80 × 159,605.76
  4. Step 4: Simplify right side
    286,927.04x = 63,196,985,991.17
  5. Step 5: Solve for x
    x = 63,196,985,991.17/286,927.04
  6. Step 6: Final answer
    x = 220,254.55

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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.