Home / 186,263.84-257,044.05-101,381.51

Finding the Fourth Proportional to 186,263.84, 257,044.05 and 101,381.51

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Solution

The fourth proportional to 186,263.84, 257,044.05 and 101,381.51 is: 139,906.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,263.84 : 257,044.05 = 101,381.51 : x
  2. Step 2: Convert to fraction form
    186,263.84/257,044.05 = 101,381.51/x
  3. Step 3: Cross multiply
    186,263.84x = 257,044.05 × 101,381.51
  4. Step 4: Simplify right side
    186,263.84x = 26,059,512,640.30
  5. Step 5: Solve for x
    x = 26,059,512,640.30/186,263.84
  6. Step 6: Final answer
    x = 139,906.45

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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.