Home / 157,404.35-235,923.59-89,983.63

Finding the Fourth Proportional to 157,404.35, 235,923.59 and 89,983.63

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Solution

The fourth proportional to 157,404.35, 235,923.59 and 89,983.63 is: 134,870.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,404.35 : 235,923.59 = 89,983.63 : x
  2. Step 2: Convert to fraction form
    157,404.35/235,923.59 = 89,983.63/x
  3. Step 3: Cross multiply
    157,404.35x = 235,923.59 × 89,983.63
  4. Step 4: Simplify right side
    157,404.35x = 21,229,259,717.47
  5. Step 5: Solve for x
    x = 21,229,259,717.47/157,404.35
  6. Step 6: Final answer
    x = 134,870.86

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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.