Home / 156,424.41-234,670.77-56,574.18

Finding the Fourth Proportional to 156,424.41, 234,670.77 and 56,574.18

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Solution

The fourth proportional to 156,424.41, 234,670.77 and 56,574.18 is: 84,873.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,424.41 : 234,670.77 = 56,574.18 : x
  2. Step 2: Convert to fraction form
    156,424.41/234,670.77 = 56,574.18/x
  3. Step 3: Cross multiply
    156,424.41x = 234,670.77 × 56,574.18
  4. Step 4: Simplify right side
    156,424.41x = 13,276,306,382.72
  5. Step 5: Solve for x
    x = 13,276,306,382.72/156,424.41
  6. Step 6: Final answer
    x = 84,873.62

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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.