Home / 186,507.15-257,379.69-101,624.82

Finding the Fourth Proportional to 186,507.15, 257,379.69 and 101,624.82

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Solution

The fourth proportional to 186,507.15, 257,379.69 and 101,624.82 is: 140,242.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,507.15 : 257,379.69 = 101,624.82 : x
  2. Step 2: Convert to fraction form
    186,507.15/257,379.69 = 101,624.82/x
  3. Step 3: Cross multiply
    186,507.15x = 257,379.69 × 101,624.82
  4. Step 4: Simplify right side
    186,507.15x = 26,156,164,667.91
  5. Step 5: Solve for x
    x = 26,156,164,667.91/186,507.15
  6. Step 6: Final answer
    x = 140,242.16

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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.