Home / 118,125.36-163,011.96-67,824.72

Finding the Fourth Proportional to 118,125.36, 163,011.96 and 67,824.72

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Solution

The fourth proportional to 118,125.36, 163,011.96 and 67,824.72 is: 93,597.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,125.36 : 163,011.96 = 67,824.72 : x
  2. Step 2: Convert to fraction form
    118,125.36/163,011.96 = 67,824.72/x
  3. Step 3: Cross multiply
    118,125.36x = 163,011.96 × 67,824.72
  4. Step 4: Simplify right side
    118,125.36x = 11,056,240,543.65
  5. Step 5: Solve for x
    x = 11,056,240,543.65/118,125.36
  6. Step 6: Final answer
    x = 93,597.52

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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.