Home / 121,533.40-182,300.10-92,008.90

Finding the Fourth Proportional to 121,533.40, 182,300.10 and 92,008.90

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Solution

The fourth proportional to 121,533.40, 182,300.10 and 92,008.90 is: 138,013.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,533.40 : 182,300.10 = 92,008.90 : x
  2. Step 2: Convert to fraction form
    121,533.40/182,300.10 = 92,008.90/x
  3. Step 3: Cross multiply
    121,533.40x = 182,300.10 × 92,008.90
  4. Step 4: Simplify right side
    121,533.40x = 16,773,231,670.89
  5. Step 5: Solve for x
    x = 16,773,231,670.89/121,533.40
  6. Step 6: Final answer
    x = 138,013.35

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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.