Home / 186,489.32-257,355.28-101,606.40

Finding the Fourth Proportional to 186,489.32, 257,355.28 and 101,606.40

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Solution

The fourth proportional to 186,489.32, 257,355.28 and 101,606.40 is: 140,216.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,489.32 : 257,355.28 = 101,606.40 : x
  2. Step 2: Convert to fraction form
    186,489.32/257,355.28 = 101,606.40/x
  3. Step 3: Cross multiply
    186,489.32x = 257,355.28 × 101,606.40
  4. Step 4: Simplify right side
    186,489.32x = 26,148,943,521.79
  5. Step 5: Solve for x
    x = 26,148,943,521.79/186,489.32
  6. Step 6: Final answer
    x = 140,216.84

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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.