Home / 157,244.36-216,997.28-85,624.35

Finding the Fourth Proportional to 157,244.36, 216,997.28 and 85,624.35

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Solution

The fourth proportional to 157,244.36, 216,997.28 and 85,624.35 is: 118,161.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,244.36 : 216,997.28 = 85,624.35 : x
  2. Step 2: Convert to fraction form
    157,244.36/216,997.28 = 85,624.35/x
  3. Step 3: Cross multiply
    157,244.36x = 216,997.28 × 85,624.35
  4. Step 4: Simplify right side
    157,244.36x = 18,580,250,623.65
  5. Step 5: Solve for x
    x = 18,580,250,623.65/157,244.36
  6. Step 6: Final answer
    x = 118,161.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.