Home / 157,551.36-217,417.68-85,932

Finding the Fourth Proportional to 157,551.36, 217,417.68 and 85,932

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Solution

The fourth proportional to 157,551.36, 217,417.68 and 85,932 is: 118,584.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,551.36 : 217,417.68 = 85,932 : x
  2. Step 2: Convert to fraction form
    157,551.36/217,417.68 = 85,932/x
  3. Step 3: Cross multiply
    157,551.36x = 217,417.68 × 85,932
  4. Step 4: Simplify right side
    157,551.36x = 18,683,136,077.76
  5. Step 5: Solve for x
    x = 18,683,136,077.76/157,551.36
  6. Step 6: Final answer
    x = 118,584.42

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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.