Home / 104,586.30-144,332.28-64,323.72

Finding the Fourth Proportional to 104,586.30, 144,332.28 and 64,323.72

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Solution

The fourth proportional to 104,586.30, 144,332.28 and 64,323.72 is: 88,768.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,586.30 : 144,332.28 = 64,323.72 : x
  2. Step 2: Convert to fraction form
    104,586.30/144,332.28 = 64,323.72/x
  3. Step 3: Cross multiply
    104,586.30x = 144,332.28 × 64,323.72
  4. Step 4: Simplify right side
    104,586.30x = 9,283,989,165.68
  5. Step 5: Solve for x
    x = 9,283,989,165.68/104,586.30
  6. Step 6: Final answer
    x = 88,768.69

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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.