Home / 120,970.08-181,268.28-64,817.64

Finding the Fourth Proportional to 120,970.08, 181,268.28 and 64,817.64

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Solution

The fourth proportional to 120,970.08, 181,268.28 and 64,817.64 is: 97,126.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,970.08 : 181,268.28 = 64,817.64 : x
  2. Step 2: Convert to fraction form
    120,970.08/181,268.28 = 64,817.64/x
  3. Step 3: Cross multiply
    120,970.08x = 181,268.28 × 64,817.64
  4. Step 4: Simplify right side
    120,970.08x = 11,749,382,116.46
  5. Step 5: Solve for x
    x = 11,749,382,116.46/120,970.08
  6. Step 6: Final answer
    x = 97,126.35

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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.