Home / 156,364.80-234,473.28-56,505.60

Finding the Fourth Proportional to 156,364.80, 234,473.28 and 56,505.60

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Solution

The fourth proportional to 156,364.80, 234,473.28 and 56,505.60 is: 84,731.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,364.80 : 234,473.28 = 56,505.60 : x
  2. Step 2: Convert to fraction form
    156,364.80/234,473.28 = 56,505.60/x
  3. Step 3: Cross multiply
    156,364.80x = 234,473.28 × 56,505.60
  4. Step 4: Simplify right side
    156,364.80x = 13,249,053,370.37
  5. Step 5: Solve for x
    x = 13,249,053,370.37/156,364.80
  6. Step 6: Final answer
    x = 84,731.69

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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.