Home / 330,030.48-455,429.88-179,124.24

Finding the Fourth Proportional to 330,030.48, 455,429.88 and 179,124.24

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Solution

The fourth proportional to 330,030.48, 455,429.88 and 179,124.24 is: 247,184.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,030.48 : 455,429.88 = 179,124.24 : x
  2. Step 2: Convert to fraction form
    330,030.48/455,429.88 = 179,124.24/x
  3. Step 3: Cross multiply
    330,030.48x = 455,429.88 × 179,124.24
  4. Step 4: Simplify right side
    330,030.48x = 81,578,531,128.29
  5. Step 5: Solve for x
    x = 81,578,531,128.29/330,030.48
  6. Step 6: Final answer
    x = 247,184.84

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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.