Home / 330,289.86-455,772.18-183,118.65

Finding the Fourth Proportional to 330,289.86, 455,772.18 and 183,118.65

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Solution

The fourth proportional to 330,289.86, 455,772.18 and 183,118.65 is: 252,688.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,289.86 : 455,772.18 = 183,118.65 : x
  2. Step 2: Convert to fraction form
    330,289.86/455,772.18 = 183,118.65/x
  3. Step 3: Cross multiply
    330,289.86x = 455,772.18 × 183,118.65
  4. Step 4: Simplify right side
    330,289.86x = 83,460,386,305.36
  5. Step 5: Solve for x
    x = 83,460,386,305.36/330,289.86
  6. Step 6: Final answer
    x = 252,688.31

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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.