Home / 162,590.10-243,561.15-143,106.90

Finding the Fourth Proportional to 162,590.10, 243,561.15 and 143,106.90

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Solution

The fourth proportional to 162,590.10, 243,561.15 and 143,106.90 is: 214,375.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,590.10 : 243,561.15 = 143,106.90 : x
  2. Step 2: Convert to fraction form
    162,590.10/243,561.15 = 143,106.90/x
  3. Step 3: Cross multiply
    162,590.10x = 243,561.15 × 143,106.90
  4. Step 4: Simplify right side
    162,590.10x = 34,855,281,136.94
  5. Step 5: Solve for x
    x = 34,855,281,136.94/162,590.10
  6. Step 6: Final answer
    x = 214,375.17

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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.