Home / 104,819.36-144,740.61-101,430.05

Finding the Fourth Proportional to 104,819.36, 144,740.61 and 101,430.05

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Solution

The fourth proportional to 104,819.36, 144,740.61 and 101,430.05 is: 140,060.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,819.36 : 144,740.61 = 101,430.05 : x
  2. Step 2: Convert to fraction form
    104,819.36/144,740.61 = 101,430.05/x
  3. Step 3: Cross multiply
    104,819.36x = 144,740.61 × 101,430.05
  4. Step 4: Simplify right side
    104,819.36x = 14,681,046,585.63
  5. Step 5: Solve for x
    x = 14,681,046,585.63/104,819.36
  6. Step 6: Final answer
    x = 140,060.46

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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.