Home / 185,756.95-256,339.38-105,192.10

Finding the Fourth Proportional to 185,756.95, 256,339.38 and 105,192.10

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Solution

The fourth proportional to 185,756.95, 256,339.38 and 105,192.10 is: 145,162.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,756.95 : 256,339.38 = 105,192.10 : x
  2. Step 2: Convert to fraction form
    185,756.95/256,339.38 = 105,192.10/x
  3. Step 3: Cross multiply
    185,756.95x = 256,339.38 × 105,192.10
  4. Step 4: Simplify right side
    185,756.95x = 26,964,877,694.90
  5. Step 5: Solve for x
    x = 26,964,877,694.90/185,756.95
  6. Step 6: Final answer
    x = 145,162.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.