Home / 162,438.24-243,627.56-73,670.40

Finding the Fourth Proportional to 162,438.24, 243,627.56 and 73,670.40

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Solution

The fourth proportional to 162,438.24, 243,627.56 and 73,670.40 is: 110,492.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,438.24 : 243,627.56 = 73,670.40 : x
  2. Step 2: Convert to fraction form
    162,438.24/243,627.56 = 73,670.40/x
  3. Step 3: Cross multiply
    162,438.24x = 243,627.56 × 73,670.40
  4. Step 4: Simplify right side
    162,438.24x = 17,948,139,796.22
  5. Step 5: Solve for x
    x = 17,948,139,796.22/162,438.24
  6. Step 6: Final answer
    x = 110,492.08

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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.