Home / 105,746.54-145,965.11-94,536.45

Finding the Fourth Proportional to 105,746.54, 145,965.11 and 94,536.45

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Solution

The fourth proportional to 105,746.54, 145,965.11 and 94,536.45 is: 130,491.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,746.54 : 145,965.11 = 94,536.45 : x
  2. Step 2: Convert to fraction form
    105,746.54/145,965.11 = 94,536.45/x
  3. Step 3: Cross multiply
    105,746.54x = 145,965.11 × 94,536.45
  4. Step 4: Simplify right side
    105,746.54x = 13,799,023,382.34
  5. Step 5: Solve for x
    x = 13,799,023,382.34/105,746.54
  6. Step 6: Final answer
    x = 130,491.49

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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.