Home / 185,839.51-256,457.10-100,957.18

Finding the Fourth Proportional to 185,839.51, 256,457.10 and 100,957.18

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Solution

The fourth proportional to 185,839.51, 256,457.10 and 100,957.18 is: 139,320.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,839.51 : 256,457.10 = 100,957.18 : x
  2. Step 2: Convert to fraction form
    185,839.51/256,457.10 = 100,957.18/x
  3. Step 3: Cross multiply
    185,839.51x = 256,457.10 × 100,957.18
  4. Step 4: Simplify right side
    185,839.51x = 25,891,185,606.98
  5. Step 5: Solve for x
    x = 25,891,185,606.98/185,839.51
  6. Step 6: Final answer
    x = 139,320.13

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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.