Home / 162,316.10-243,308.55-109,730.90

Finding the Fourth Proportional to 162,316.10, 243,308.55 and 109,730.90

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Solution

The fourth proportional to 162,316.10, 243,308.55 and 109,730.90 is: 164,484.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,316.10 : 243,308.55 = 109,730.90 : x
  2. Step 2: Convert to fraction form
    162,316.10/243,308.55 = 109,730.90/x
  3. Step 3: Cross multiply
    162,316.10x = 243,308.55 × 109,730.90
  4. Step 4: Simplify right side
    162,316.10x = 26,698,466,169.20
  5. Step 5: Solve for x
    x = 26,698,466,169.20/162,316.10
  6. Step 6: Final answer
    x = 164,484.40

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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.