Home / 105,460.18-145,602.97-94,110.15

Finding the Fourth Proportional to 105,460.18, 145,602.97 and 94,110.15

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Solution

The fourth proportional to 105,460.18, 145,602.97 and 94,110.15 is: 129,932.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,460.18 : 145,602.97 = 94,110.15 : x
  2. Step 2: Convert to fraction form
    105,460.18/145,602.97 = 94,110.15/x
  3. Step 3: Cross multiply
    105,460.18x = 145,602.97 × 94,110.15
  4. Step 4: Simplify right side
    105,460.18x = 13,702,717,657.88
  5. Step 5: Solve for x
    x = 13,702,717,657.88/105,460.18
  6. Step 6: Final answer
    x = 129,932.62

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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.