Home / 142,633.47-196,789.80-94,894.92

Finding the Fourth Proportional to 142,633.47, 196,789.80 and 94,894.92

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Solution

The fourth proportional to 142,633.47, 196,789.80 and 94,894.92 is: 130,925.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,633.47 : 196,789.80 = 94,894.92 : x
  2. Step 2: Convert to fraction form
    142,633.47/196,789.80 = 94,894.92/x
  3. Step 3: Cross multiply
    142,633.47x = 196,789.80 × 94,894.92
  4. Step 4: Simplify right side
    142,633.47x = 18,674,352,327.82
  5. Step 5: Solve for x
    x = 18,674,352,327.82/142,633.47
  6. Step 6: Final answer
    x = 130,925.46

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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.