Home / 188,621.10-282,931.74-48,379.77

Finding the Fourth Proportional to 188,621.10, 282,931.74 and 48,379.77

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Solution

The fourth proportional to 188,621.10, 282,931.74 and 48,379.77 is: 72,569.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,621.10 : 282,931.74 = 48,379.77 : x
  2. Step 2: Convert to fraction form
    188,621.10/282,931.74 = 48,379.77/x
  3. Step 3: Cross multiply
    188,621.10x = 282,931.74 × 48,379.77
  4. Step 4: Simplify right side
    188,621.10x = 13,688,172,506.90
  5. Step 5: Solve for x
    x = 13,688,172,506.90/188,621.10
  6. Step 6: Final answer
    x = 72,569.68

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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.