Home / 157,946.96-217,941.60-89,965.26

Finding the Fourth Proportional to 157,946.96, 217,941.60 and 89,965.26

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Solution

The fourth proportional to 157,946.96, 217,941.60 and 89,965.26 is: 124,137.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,946.96 : 217,941.60 = 89,965.26 : x
  2. Step 2: Convert to fraction form
    157,946.96/217,941.60 = 89,965.26/x
  3. Step 3: Cross multiply
    157,946.96x = 217,941.60 × 89,965.26
  4. Step 4: Simplify right side
    157,946.96x = 19,607,172,708.82
  5. Step 5: Solve for x
    x = 19,607,172,708.82/157,946.96
  6. Step 6: Final answer
    x = 124,137.70

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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.