Home / 330,118.14-455,566.70-186,875.04

Finding the Fourth Proportional to 330,118.14, 455,566.70 and 186,875.04

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Solution

The fourth proportional to 330,118.14, 455,566.70 and 186,875.04 is: 257,889.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,118.14 : 455,566.70 = 186,875.04 : x
  2. Step 2: Convert to fraction form
    330,118.14/455,566.70 = 186,875.04/x
  3. Step 3: Cross multiply
    330,118.14x = 455,566.70 × 186,875.04
  4. Step 4: Simplify right side
    330,118.14x = 85,134,045,285.17
  5. Step 5: Solve for x
    x = 85,134,045,285.17/330,118.14
  6. Step 6: Final answer
    x = 257,889.63

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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.