Home / 186,681.45-257,635.71-106,134.24

Finding the Fourth Proportional to 186,681.45, 257,635.71 and 106,134.24

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Solution

The fourth proportional to 186,681.45, 257,635.71 and 106,134.24 is: 146,473.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,681.45 : 257,635.71 = 106,134.24 : x
  2. Step 2: Convert to fraction form
    186,681.45/257,635.71 = 106,134.24/x
  3. Step 3: Cross multiply
    186,681.45x = 257,635.71 × 106,134.24
  4. Step 4: Simplify right side
    186,681.45x = 27,343,970,277.71
  5. Step 5: Solve for x
    x = 27,343,970,277.71/186,681.45
  6. Step 6: Final answer
    x = 146,473.95

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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.