Home / 129,139.02-193,693.95-44,884.98

Finding the Fourth Proportional to 129,139.02, 193,693.95 and 44,884.98

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Solution

The fourth proportional to 129,139.02, 193,693.95 and 44,884.98 is: 67,322.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,139.02 : 193,693.95 = 44,884.98 : x
  2. Step 2: Convert to fraction form
    129,139.02/193,693.95 = 44,884.98/x
  3. Step 3: Cross multiply
    129,139.02x = 193,693.95 × 44,884.98
  4. Step 4: Simplify right side
    129,139.02x = 8,693,949,071.87
  5. Step 5: Solve for x
    x = 8,693,949,071.87/129,139.02
  6. Step 6: Final answer
    x = 67,322.40

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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.