Home / 190,970.10-286,455.15-48,815.10

Finding the Fourth Proportional to 190,970.10, 286,455.15 and 48,815.10

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Solution

The fourth proportional to 190,970.10, 286,455.15 and 48,815.10 is: 73,222.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,970.10 : 286,455.15 = 48,815.10 : x
  2. Step 2: Convert to fraction form
    190,970.10/286,455.15 = 48,815.10/x
  3. Step 3: Cross multiply
    190,970.10x = 286,455.15 × 48,815.10
  4. Step 4: Simplify right side
    190,970.10x = 13,983,336,792.77
  5. Step 5: Solve for x
    x = 13,983,336,792.77/190,970.10
  6. Step 6: Final answer
    x = 73,222.65

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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.