Home / 186,623.40-279,935.10-127,574.40

Finding the Fourth Proportional to 186,623.40, 279,935.10 and 127,574.40

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Solution

The fourth proportional to 186,623.40, 279,935.10 and 127,574.40 is: 191,361.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,623.40 : 279,935.10 = 127,574.40 : x
  2. Step 2: Convert to fraction form
    186,623.40/279,935.10 = 127,574.40/x
  3. Step 3: Cross multiply
    186,623.40x = 279,935.10 × 127,574.40
  4. Step 4: Simplify right side
    186,623.40x = 35,712,552,421.44
  5. Step 5: Solve for x
    x = 35,712,552,421.44/186,623.40
  6. Step 6: Final answer
    x = 191,361.60

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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.