Home / 147,514.10-221,271.15-100,858.10

Finding the Fourth Proportional to 147,514.10, 221,271.15 and 100,858.10

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Solution

The fourth proportional to 147,514.10, 221,271.15 and 100,858.10 is: 151,287.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,514.10 : 221,271.15 = 100,858.10 : x
  2. Step 2: Convert to fraction form
    147,514.10/221,271.15 = 100,858.10/x
  3. Step 3: Cross multiply
    147,514.10x = 221,271.15 × 100,858.10
  4. Step 4: Simplify right side
    147,514.10x = 22,316,987,773.82
  5. Step 5: Solve for x
    x = 22,316,987,773.82/147,514.10
  6. Step 6: Final answer
    x = 151,287.15

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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.