Home / 186,304.34-257,270.79-118,343.21

Finding the Fourth Proportional to 186,304.34, 257,270.79 and 118,343.21

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Solution

The fourth proportional to 186,304.34, 257,270.79 and 118,343.21 is: 163,422.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,304.34 : 257,270.79 = 118,343.21 : x
  2. Step 2: Convert to fraction form
    186,304.34/257,270.79 = 118,343.21/x
  3. Step 3: Cross multiply
    186,304.34x = 257,270.79 × 118,343.21
  4. Step 4: Simplify right side
    186,304.34x = 30,446,251,127.84
  5. Step 5: Solve for x
    x = 30,446,251,127.84/186,304.34
  6. Step 6: Final answer
    x = 163,422.12

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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.