Home / 113,438.12-156,537.70-62,440.92

Finding the Fourth Proportional to 113,438.12, 156,537.70 and 62,440.92

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Solution

The fourth proportional to 113,438.12, 156,537.70 and 62,440.92 is: 86,164.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,438.12 : 156,537.70 = 62,440.92 : x
  2. Step 2: Convert to fraction form
    113,438.12/156,537.70 = 62,440.92/x
  3. Step 3: Cross multiply
    113,438.12x = 156,537.70 × 62,440.92
  4. Step 4: Simplify right side
    113,438.12x = 9,774,357,846.58
  5. Step 5: Solve for x
    x = 9,774,357,846.58/113,438.12
  6. Step 6: Final answer
    x = 86,164.67

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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.