Home / 162,515.30-243,444.90-92,312.60

Finding the Fourth Proportional to 162,515.30, 243,444.90 and 92,312.60

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Solution

The fourth proportional to 162,515.30, 243,444.90 and 92,312.60 is: 138,282.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,515.30 : 243,444.90 = 92,312.60 : x
  2. Step 2: Convert to fraction form
    162,515.30/243,444.90 = 92,312.60/x
  3. Step 3: Cross multiply
    162,515.30x = 243,444.90 × 92,312.60
  4. Step 4: Simplify right side
    162,515.30x = 22,473,031,675.74
  5. Step 5: Solve for x
    x = 22,473,031,675.74/162,515.30
  6. Step 6: Final answer
    x = 138,282.56

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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.