Home / 113,484.08-156,491.88-75,230.32

Finding the Fourth Proportional to 113,484.08, 156,491.88 and 75,230.32

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Solution

The fourth proportional to 113,484.08, 156,491.88 and 75,230.32 is: 103,740.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,484.08 : 156,491.88 = 75,230.32 : x
  2. Step 2: Convert to fraction form
    113,484.08/156,491.88 = 75,230.32/x
  3. Step 3: Cross multiply
    113,484.08x = 156,491.88 × 75,230.32
  4. Step 4: Simplify right side
    113,484.08x = 11,772,934,209.80
  5. Step 5: Solve for x
    x = 11,772,934,209.80/113,484.08
  6. Step 6: Final answer
    x = 103,740.84

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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.