Home / 112,752.08-155,649.48-84,551.12

Finding the Fourth Proportional to 112,752.08, 155,649.48 and 84,551.12

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Solution

The fourth proportional to 112,752.08, 155,649.48 and 84,551.12 is: 116,719.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,752.08 : 155,649.48 = 84,551.12 : x
  2. Step 2: Convert to fraction form
    112,752.08/155,649.48 = 84,551.12/x
  3. Step 3: Cross multiply
    112,752.08x = 155,649.48 × 84,551.12
  4. Step 4: Simplify right side
    112,752.08x = 13,160,337,861.42
  5. Step 5: Solve for x
    x = 13,160,337,861.42/112,752.08
  6. Step 6: Final answer
    x = 116,719.25

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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.