Home / 118,880.07-164,071.29-73,572.63

Finding the Fourth Proportional to 118,880.07, 164,071.29 and 73,572.63

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Solution

The fourth proportional to 118,880.07, 164,071.29 and 73,572.63 is: 101,540.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,880.07 : 164,071.29 = 73,572.63 : x
  2. Step 2: Convert to fraction form
    118,880.07/164,071.29 = 73,572.63/x
  3. Step 3: Cross multiply
    118,880.07x = 164,071.29 × 73,572.63
  4. Step 4: Simplify right side
    118,880.07x = 12,071,156,312.79
  5. Step 5: Solve for x
    x = 12,071,156,312.79/118,880.07
  6. Step 6: Final answer
    x = 101,540.62

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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.