Home / 142,160.52-196,177.86-93,703.08

Finding the Fourth Proportional to 142,160.52, 196,177.86 and 93,703.08

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Solution

The fourth proportional to 142,160.52, 196,177.86 and 93,703.08 is: 129,307.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,160.52 : 196,177.86 = 93,703.08 : x
  2. Step 2: Convert to fraction form
    142,160.52/196,177.86 = 93,703.08/x
  3. Step 3: Cross multiply
    142,160.52x = 196,177.86 × 93,703.08
  4. Step 4: Simplify right side
    142,160.52x = 18,382,469,709.81
  5. Step 5: Solve for x
    x = 18,382,469,709.81/142,160.52
  6. Step 6: Final answer
    x = 129,307.84

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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.