Home / 104,525.72-144,156.12-70,528.40

Finding the Fourth Proportional to 104,525.72, 144,156.12 and 70,528.40

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Solution

The fourth proportional to 104,525.72, 144,156.12 and 70,528.40 is: 97,268.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,525.72 : 144,156.12 = 70,528.40 : x
  2. Step 2: Convert to fraction form
    104,525.72/144,156.12 = 70,528.40/x
  3. Step 3: Cross multiply
    104,525.72x = 144,156.12 × 70,528.40
  4. Step 4: Simplify right side
    104,525.72x = 10,167,100,493.81
  5. Step 5: Solve for x
    x = 10,167,100,493.81/104,525.72
  6. Step 6: Final answer
    x = 97,268.89

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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.