Home / 154,794.04-213,618.18-86,826.10

Finding the Fourth Proportional to 154,794.04, 213,618.18 and 86,826.10

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Solution

The fourth proportional to 154,794.04, 213,618.18 and 86,826.10 is: 119,821.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,794.04 : 213,618.18 = 86,826.10 : x
  2. Step 2: Convert to fraction form
    154,794.04/213,618.18 = 86,826.10/x
  3. Step 3: Cross multiply
    154,794.04x = 213,618.18 × 86,826.10
  4. Step 4: Simplify right side
    154,794.04x = 18,547,633,458.50
  5. Step 5: Solve for x
    x = 18,547,633,458.50/154,794.04
  6. Step 6: Final answer
    x = 119,821.37

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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.