Home / 129,108.12-193,487.04-62,415.42

Finding the Fourth Proportional to 129,108.12, 193,487.04 and 62,415.42

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Solution

The fourth proportional to 129,108.12, 193,487.04 and 62,415.42 is: 93,538.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,108.12 : 193,487.04 = 62,415.42 : x
  2. Step 2: Convert to fraction form
    129,108.12/193,487.04 = 62,415.42/x
  3. Step 3: Cross multiply
    129,108.12x = 193,487.04 × 62,415.42
  4. Step 4: Simplify right side
    129,108.12x = 12,076,574,866.16
  5. Step 5: Solve for x
    x = 12,076,574,866.16/129,108.12
  6. Step 6: Final answer
    x = 93,538.46

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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.