Home / 104,816.76-144,573.03-101,345.10

Finding the Fourth Proportional to 104,816.76, 144,573.03 and 101,345.10

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Solution

The fourth proportional to 104,816.76, 144,573.03 and 101,345.10 is: 139,784.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,816.76 : 144,573.03 = 101,345.10 : x
  2. Step 2: Convert to fraction form
    104,816.76/144,573.03 = 101,345.10/x
  3. Step 3: Cross multiply
    104,816.76x = 144,573.03 × 101,345.10
  4. Step 4: Simplify right side
    104,816.76x = 14,651,768,182.65
  5. Step 5: Solve for x
    x = 14,651,768,182.65/104,816.76
  6. Step 6: Final answer
    x = 139,784.59

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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.