Home / 186,345.90-257,149.62-101,462.76

Finding the Fourth Proportional to 186,345.90, 257,149.62 and 101,462.76

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Solution

The fourth proportional to 186,345.90, 257,149.62 and 101,462.76 is: 140,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,345.90 : 257,149.62 = 101,462.76 : x
  2. Step 2: Convert to fraction form
    186,345.90/257,149.62 = 101,462.76/x
  3. Step 3: Cross multiply
    186,345.90x = 257,149.62 × 101,462.76
  4. Step 4: Simplify right side
    186,345.90x = 26,091,110,178.15
  5. Step 5: Solve for x
    x = 26,091,110,178.15/186,345.90
  6. Step 6: Final answer
    x = 140,014.40

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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.