Home / 157,701.85-217,633.71-86,085.70

Finding the Fourth Proportional to 157,701.85, 217,633.71 and 86,085.70

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Solution

The fourth proportional to 157,701.85, 217,633.71 and 86,085.70 is: 118,801.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,701.85 : 217,633.71 = 86,085.70 : x
  2. Step 2: Convert to fraction form
    157,701.85/217,633.71 = 86,085.70/x
  3. Step 3: Cross multiply
    157,701.85x = 217,633.71 × 86,085.70
  4. Step 4: Simplify right side
    157,701.85x = 18,735,150,268.95
  5. Step 5: Solve for x
    x = 18,735,150,268.95/157,701.85
  6. Step 6: Final answer
    x = 118,801.08

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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.