Home / 186,333.22-257,176.25-118,429.30

Finding the Fourth Proportional to 186,333.22, 257,176.25 and 118,429.30

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Solution

The fourth proportional to 186,333.22, 257,176.25 and 118,429.30 is: 163,455.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,333.22 : 257,176.25 = 118,429.30 : x
  2. Step 2: Convert to fraction form
    186,333.22/257,176.25 = 118,429.30/x
  3. Step 3: Cross multiply
    186,333.22x = 257,176.25 × 118,429.30
  4. Step 4: Simplify right side
    186,333.22x = 30,457,203,264.13
  5. Step 5: Solve for x
    x = 30,457,203,264.13/186,333.22
  6. Step 6: Final answer
    x = 163,455.57

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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.