Home / 118,521.25-163,557.72-67,536.99

Finding the Fourth Proportional to 118,521.25, 163,557.72 and 67,536.99

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Solution

The fourth proportional to 118,521.25, 163,557.72 and 67,536.99 is: 93,200.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,521.25 : 163,557.72 = 67,536.99 : x
  2. Step 2: Convert to fraction form
    118,521.25/163,557.72 = 67,536.99/x
  3. Step 3: Cross multiply
    118,521.25x = 163,557.72 × 67,536.99
  4. Step 4: Simplify right side
    118,521.25x = 11,046,196,100.06
  5. Step 5: Solve for x
    x = 11,046,196,100.06/118,521.25
  6. Step 6: Final answer
    x = 93,200.13

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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.