Home / 156,581.07-235,065.18-148,314.21

Finding the Fourth Proportional to 156,581.07, 235,065.18 and 148,314.21

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Solution

The fourth proportional to 156,581.07, 235,065.18 and 148,314.21 is: 222,654.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,581.07 : 235,065.18 = 148,314.21 : x
  2. Step 2: Convert to fraction form
    156,581.07/235,065.18 = 148,314.21/x
  3. Step 3: Cross multiply
    156,581.07x = 235,065.18 × 148,314.21
  4. Step 4: Simplify right side
    156,581.07x = 34,863,506,470.21
  5. Step 5: Solve for x
    x = 34,863,506,470.21/156,581.07
  6. Step 6: Final answer
    x = 222,654.67

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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.