Home / 128,680.85-193,047.08-44,444.10

Finding the Fourth Proportional to 128,680.85, 193,047.08 and 44,444.10

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Solution

The fourth proportional to 128,680.85, 193,047.08 and 44,444.10 is: 66,675.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,680.85 : 193,047.08 = 44,444.10 : x
  2. Step 2: Convert to fraction form
    128,680.85/193,047.08 = 44,444.10/x
  3. Step 3: Cross multiply
    128,680.85x = 193,047.08 × 44,444.10
  4. Step 4: Simplify right side
    128,680.85x = 8,579,803,506.01
  5. Step 5: Solve for x
    x = 8,579,803,506.01/128,680.85
  6. Step 6: Final answer
    x = 66,675.06

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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.