Home / 172,002.10-257,492.85-127,824.70

Finding the Fourth Proportional to 172,002.10, 257,492.85 and 127,824.70

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Solution

The fourth proportional to 172,002.10, 257,492.85 and 127,824.70 is: 191,357.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,002.10 : 257,492.85 = 127,824.70 : x
  2. Step 2: Convert to fraction form
    172,002.10/257,492.85 = 127,824.70/x
  3. Step 3: Cross multiply
    172,002.10x = 257,492.85 × 127,824.70
  4. Step 4: Simplify right side
    172,002.10x = 32,913,946,303.40
  5. Step 5: Solve for x
    x = 32,913,946,303.40/172,002.10
  6. Step 6: Final answer
    x = 191,357.82

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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.