Home / 192,445.47-288,671.85-66,084.93

Finding the Fourth Proportional to 192,445.47, 288,671.85 and 66,084.93

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Solution

The fourth proportional to 192,445.47, 288,671.85 and 66,084.93 is: 99,128.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,445.47 : 288,671.85 = 66,084.93 : x
  2. Step 2: Convert to fraction form
    192,445.47/288,671.85 = 66,084.93/x
  3. Step 3: Cross multiply
    192,445.47x = 288,671.85 × 66,084.93
  4. Step 4: Simplify right side
    192,445.47x = 19,076,859,000.22
  5. Step 5: Solve for x
    x = 19,076,859,000.22/192,445.47
  6. Step 6: Final answer
    x = 99,128.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.