Home / 187,639.51-258,942.65-101,598.55

Finding the Fourth Proportional to 187,639.51, 258,942.65 and 101,598.55

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Solution

The fourth proportional to 187,639.51, 258,942.65 and 101,598.55 is: 140,206.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,639.51 : 258,942.65 = 101,598.55 : x
  2. Step 2: Convert to fraction form
    187,639.51/258,942.65 = 101,598.55/x
  3. Step 3: Cross multiply
    187,639.51x = 258,942.65 × 101,598.55
  4. Step 4: Simplify right side
    187,639.51x = 26,308,197,265.16
  5. Step 5: Solve for x
    x = 26,308,197,265.16/187,639.51
  6. Step 6: Final answer
    x = 140,206.06

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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.