Home / 186,305.34-257,272.17-118,344.21

Finding the Fourth Proportional to 186,305.34, 257,272.17 and 118,344.21

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Solution

The fourth proportional to 186,305.34, 257,272.17 and 118,344.21 is: 163,423.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,305.34 : 257,272.17 = 118,344.21 : x
  2. Step 2: Convert to fraction form
    186,305.34/257,272.17 = 118,344.21/x
  3. Step 3: Cross multiply
    186,305.34x = 257,272.17 × 118,344.21
  4. Step 4: Simplify right side
    186,305.34x = 30,446,671,713.64
  5. Step 5: Solve for x
    x = 30,446,671,713.64/186,305.34
  6. Step 6: Final answer
    x = 163,423.51

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1.5x scale

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.