Home / 120,841.08-181,075.32-64,688.64

Finding the Fourth Proportional to 120,841.08, 181,075.32 and 64,688.64

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Solution

The fourth proportional to 120,841.08, 181,075.32 and 64,688.64 is: 96,933.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,841.08 : 181,075.32 = 64,688.64 : x
  2. Step 2: Convert to fraction form
    120,841.08/181,075.32 = 64,688.64/x
  3. Step 3: Cross multiply
    120,841.08x = 181,075.32 × 64,688.64
  4. Step 4: Simplify right side
    120,841.08x = 11,713,516,188.36
  5. Step 5: Solve for x
    x = 11,713,516,188.36/120,841.08
  6. Step 6: Final answer
    x = 96,933.23

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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.