Home / 190,176.66-262,491.03-118,639.89

Finding the Fourth Proportional to 190,176.66, 262,491.03 and 118,639.89

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Solution

The fourth proportional to 190,176.66, 262,491.03 and 118,639.89 is: 163,752.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,176.66 : 262,491.03 = 118,639.89 : x
  2. Step 2: Convert to fraction form
    190,176.66/262,491.03 = 118,639.89/x
  3. Step 3: Cross multiply
    190,176.66x = 262,491.03 × 118,639.89
  4. Step 4: Simplify right side
    190,176.66x = 31,141,906,925.19
  5. Step 5: Solve for x
    x = 31,141,906,925.19/190,176.66
  6. Step 6: Final answer
    x = 163,752.52

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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.