Home / 119,714.04-165,224.88-72,015.60

Finding the Fourth Proportional to 119,714.04, 165,224.88 and 72,015.60

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Solution

The fourth proportional to 119,714.04, 165,224.88 and 72,015.60 is: 99,393.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,714.04 : 165,224.88 = 72,015.60 : x
  2. Step 2: Convert to fraction form
    119,714.04/165,224.88 = 72,015.60/x
  3. Step 3: Cross multiply
    119,714.04x = 165,224.88 × 72,015.60
  4. Step 4: Simplify right side
    119,714.04x = 11,898,768,868.13
  5. Step 5: Solve for x
    x = 11,898,768,868.13/119,714.04
  6. Step 6: Final answer
    x = 99,393.26

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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.