Home / 187,526.18-258,785.12-101,485.10

Finding the Fourth Proportional to 187,526.18, 258,785.12 and 101,485.10

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Solution

The fourth proportional to 187,526.18, 258,785.12 and 101,485.10 is: 140,048.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,526.18 : 258,785.12 = 101,485.10 : x
  2. Step 2: Convert to fraction form
    187,526.18/258,785.12 = 101,485.10/x
  3. Step 3: Cross multiply
    187,526.18x = 258,785.12 × 101,485.10
  4. Step 4: Simplify right side
    187,526.18x = 26,262,833,781.71
  5. Step 5: Solve for x
    x = 26,262,833,781.71/187,526.18
  6. Step 6: Final answer
    x = 140,048.89

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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.