Home / 104,358.08-156,417.12-45,134.24

Finding the Fourth Proportional to 104,358.08, 156,417.12 and 45,134.24

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Solution

The fourth proportional to 104,358.08, 156,417.12 and 45,134.24 is: 67,649.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,358.08 : 156,417.12 = 45,134.24 : x
  2. Step 2: Convert to fraction form
    104,358.08/156,417.12 = 45,134.24/x
  3. Step 3: Cross multiply
    104,358.08x = 156,417.12 × 45,134.24
  4. Step 4: Simplify right side
    104,358.08x = 7,059,767,834.19
  5. Step 5: Solve for x
    x = 7,059,767,834.19/104,358.08
  6. Step 6: Final answer
    x = 67,649.46

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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.