Home / 212,461.03-293,217.40-158,652.63

Finding the Fourth Proportional to 212,461.03, 293,217.40 and 158,652.63

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Solution

The fourth proportional to 212,461.03, 293,217.40 and 158,652.63 is: 218,956.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,461.03 : 293,217.40 = 158,652.63 : x
  2. Step 2: Convert to fraction form
    212,461.03/293,217.40 = 158,652.63/x
  3. Step 3: Cross multiply
    212,461.03x = 293,217.40 × 158,652.63
  4. Step 4: Simplify right side
    212,461.03x = 46,519,711,870.08
  5. Step 5: Solve for x
    x = 46,519,711,870.08/212,461.03
  6. Step 6: Final answer
    x = 218,956.44

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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.