Home / 117,543.12-162,199.88-64,551.12

Finding the Fourth Proportional to 117,543.12, 162,199.88 and 64,551.12

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Solution

The fourth proportional to 117,543.12, 162,199.88 and 64,551.12 is: 89,075.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,543.12 : 162,199.88 = 64,551.12 : x
  2. Step 2: Convert to fraction form
    117,543.12/162,199.88 = 64,551.12/x
  3. Step 3: Cross multiply
    117,543.12x = 162,199.88 × 64,551.12
  4. Step 4: Simplify right side
    117,543.12x = 10,470,183,917.87
  5. Step 5: Solve for x
    x = 10,470,183,917.87/117,543.12
  6. Step 6: Final answer
    x = 89,075.26

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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.