Home / 147,615.57-203,688.95-83,946.33

Finding the Fourth Proportional to 147,615.57, 203,688.95 and 83,946.33

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Solution

The fourth proportional to 147,615.57, 203,688.95 and 83,946.33 is: 115,834.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,615.57 : 203,688.95 = 83,946.33 : x
  2. Step 2: Convert to fraction form
    147,615.57/203,688.95 = 83,946.33/x
  3. Step 3: Cross multiply
    147,615.57x = 203,688.95 × 83,946.33
  4. Step 4: Simplify right side
    147,615.57x = 17,098,939,394.32
  5. Step 5: Solve for x
    x = 17,098,939,394.32/147,615.57
  6. Step 6: Final answer
    x = 115,834.25

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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.