Home / 151,895.39-209,614.64-83,916.74

Finding the Fourth Proportional to 151,895.39, 209,614.64 and 83,916.74

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Solution

The fourth proportional to 151,895.39, 209,614.64 and 83,916.74 is: 115,804.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,895.39 : 209,614.64 = 83,916.74 : x
  2. Step 2: Convert to fraction form
    151,895.39/209,614.64 = 83,916.74/x
  3. Step 3: Cross multiply
    151,895.39x = 209,614.64 × 83,916.74
  4. Step 4: Simplify right side
    151,895.39x = 17,590,177,349.53
  5. Step 5: Solve for x
    x = 17,590,177,349.53/151,895.39
  6. Step 6: Final answer
    x = 115,804.55

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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.