Home / 163,934.60-245,868.30-45,576.20

Finding the Fourth Proportional to 163,934.60, 245,868.30 and 45,576.20

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Solution

The fourth proportional to 163,934.60, 245,868.30 and 45,576.20 is: 68,354.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,934.60 : 245,868.30 = 45,576.20 : x
  2. Step 2: Convert to fraction form
    163,934.60/245,868.30 = 45,576.20/x
  3. Step 3: Cross multiply
    163,934.60x = 245,868.30 × 45,576.20
  4. Step 4: Simplify right side
    163,934.60x = 11,205,742,814.46
  5. Step 5: Solve for x
    x = 11,205,742,814.46/163,934.60
  6. Step 6: Final answer
    x = 68,354.96

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1.5x scale

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.