Home / 157,145.76-235,712.25-38,814.12

Finding the Fourth Proportional to 157,145.76, 235,712.25 and 38,814.12

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Solution

The fourth proportional to 157,145.76, 235,712.25 and 38,814.12 is: 58,219.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,145.76 : 235,712.25 = 38,814.12 : x
  2. Step 2: Convert to fraction form
    157,145.76/235,712.25 = 38,814.12/x
  3. Step 3: Cross multiply
    157,145.76x = 235,712.25 × 38,814.12
  4. Step 4: Simplify right side
    157,145.76x = 9,148,963,556.97
  5. Step 5: Solve for x
    x = 9,148,963,556.97/157,145.76
  6. Step 6: Final answer
    x = 58,219.60

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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.