Home / 212,475.25-293,479.15-154,239.04

Finding the Fourth Proportional to 212,475.25, 293,479.15 and 154,239.04

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Solution

The fourth proportional to 212,475.25, 293,479.15 and 154,239.04 is: 213,041.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,475.25 : 293,479.15 = 154,239.04 : x
  2. Step 2: Convert to fraction form
    212,475.25/293,479.15 = 154,239.04/x
  3. Step 3: Cross multiply
    212,475.25x = 293,479.15 × 154,239.04
  4. Step 4: Simplify right side
    212,475.25x = 45,265,942,356.02
  5. Step 5: Solve for x
    x = 45,265,942,356.02/212,475.25
  6. Step 6: Final answer
    x = 213,041.01

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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.