Home / 170,929.87-256,419.10-52,611.07

Finding the Fourth Proportional to 170,929.87, 256,419.10 and 52,611.07

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Solution

The fourth proportional to 170,929.87, 256,419.10 and 52,611.07 is: 78,924.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,929.87 : 256,419.10 = 52,611.07 : x
  2. Step 2: Convert to fraction form
    170,929.87/256,419.10 = 52,611.07/x
  3. Step 3: Cross multiply
    170,929.87x = 256,419.10 × 52,611.07
  4. Step 4: Simplify right side
    170,929.87x = 13,490,483,219.44
  5. Step 5: Solve for x
    x = 13,490,483,219.44/170,929.87
  6. Step 6: Final answer
    x = 78,924.08

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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.