Home / 102,818.06-154,227.08-57,842.40

Finding the Fourth Proportional to 102,818.06, 154,227.08 and 57,842.40

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Solution

The fourth proportional to 102,818.06, 154,227.08 and 57,842.40 is: 86,763.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,818.06 : 154,227.08 = 57,842.40 : x
  2. Step 2: Convert to fraction form
    102,818.06/154,227.08 = 57,842.40/x
  3. Step 3: Cross multiply
    102,818.06x = 154,227.08 × 57,842.40
  4. Step 4: Simplify right side
    102,818.06x = 8,920,864,162.98
  5. Step 5: Solve for x
    x = 8,920,864,162.98/102,818.06
  6. Step 6: Final answer
    x = 86,763.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.