Home / 154,595.61-213,340.14-86,612.38

Finding the Fourth Proportional to 154,595.61, 213,340.14 and 86,612.38

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Solution

The fourth proportional to 154,595.61, 213,340.14 and 86,612.38 is: 119,524.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,595.61 : 213,340.14 = 86,612.38 : x
  2. Step 2: Convert to fraction form
    154,595.61/213,340.14 = 86,612.38/x
  3. Step 3: Cross multiply
    154,595.61x = 213,340.14 × 86,612.38
  4. Step 4: Simplify right side
    154,595.61x = 18,477,896,563.37
  5. Step 5: Solve for x
    x = 18,477,896,563.37/154,595.61
  6. Step 6: Final answer
    x = 119,524.07

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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.