Home / 151,209.40-226,814.10-98,678.20

Finding the Fourth Proportional to 151,209.40, 226,814.10 and 98,678.20

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Solution

The fourth proportional to 151,209.40, 226,814.10 and 98,678.20 is: 148,017.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,209.40 : 226,814.10 = 98,678.20 : x
  2. Step 2: Convert to fraction form
    151,209.40/226,814.10 = 98,678.20/x
  3. Step 3: Cross multiply
    151,209.40x = 226,814.10 × 98,678.20
  4. Step 4: Simplify right side
    151,209.40x = 22,381,607,122.62
  5. Step 5: Solve for x
    x = 22,381,607,122.62/151,209.40
  6. Step 6: Final answer
    x = 148,017.30

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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.