Home / 112,138.02-168,224.40-45,582.84

Finding the Fourth Proportional to 112,138.02, 168,224.40 and 45,582.84

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Solution

The fourth proportional to 112,138.02, 168,224.40 and 45,582.84 is: 68,381.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,138.02 : 168,224.40 = 45,582.84 : x
  2. Step 2: Convert to fraction form
    112,138.02/168,224.40 = 45,582.84/x
  3. Step 3: Cross multiply
    112,138.02x = 168,224.40 × 45,582.84
  4. Step 4: Simplify right side
    112,138.02x = 7,668,145,909.30
  5. Step 5: Solve for x
    x = 7,668,145,909.30/112,138.02
  6. Step 6: Final answer
    x = 68,381.32

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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.