Home / 185,809.02-256,417.74-100,926.06

Finding the Fourth Proportional to 185,809.02, 256,417.74 and 100,926.06

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Solution

The fourth proportional to 185,809.02, 256,417.74 and 100,926.06 is: 139,278.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,809.02 : 256,417.74 = 100,926.06 : x
  2. Step 2: Convert to fraction form
    185,809.02/256,417.74 = 100,926.06/x
  3. Step 3: Cross multiply
    185,809.02x = 256,417.74 × 100,926.06
  4. Step 4: Simplify right side
    185,809.02x = 25,879,232,212.30
  5. Step 5: Solve for x
    x = 25,879,232,212.30/185,809.02
  6. Step 6: Final answer
    x = 139,278.66

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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.