Home / 615,335.20-922,959-166,081.66

Finding the Fourth Proportional to 615,335.20, 922,959 and 166,081.66

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Solution

The fourth proportional to 615,335.20, 922,959 and 166,081.66 is: 249,110.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,335.20 : 922,959 = 166,081.66 : x
  2. Step 2: Convert to fraction form
    615,335.20/922,959 = 166,081.66/x
  3. Step 3: Cross multiply
    615,335.20x = 922,959 × 166,081.66
  4. Step 4: Simplify right side
    615,335.20x = 153,286,562,831.94
  5. Step 5: Solve for x
    x = 153,286,562,831.94/615,335.20
  6. Step 6: Final answer
    x = 249,110.67

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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.