Home / 185,655.04-256,197.08-100,770.28

Finding the Fourth Proportional to 185,655.04, 256,197.08 and 100,770.28

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Solution

The fourth proportional to 185,655.04, 256,197.08 and 100,770.28 is: 139,059.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,655.04 : 256,197.08 = 100,770.28 : x
  2. Step 2: Convert to fraction form
    185,655.04/256,197.08 = 100,770.28/x
  3. Step 3: Cross multiply
    185,655.04x = 256,197.08 × 100,770.28
  4. Step 4: Simplify right side
    185,655.04x = 25,817,051,486.78
  5. Step 5: Solve for x
    x = 25,817,051,486.78/185,655.04
  6. Step 6: Final answer
    x = 139,059.25

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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.