Home / 186,566.96-257,467.80-101,689.52

Finding the Fourth Proportional to 186,566.96, 257,467.80 and 101,689.52

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Solution

The fourth proportional to 186,566.96, 257,467.80 and 101,689.52 is: 140,334.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,566.96 : 257,467.80 = 101,689.52 : x
  2. Step 2: Convert to fraction form
    186,566.96/257,467.80 = 101,689.52/x
  3. Step 3: Cross multiply
    186,566.96x = 257,467.80 × 101,689.52
  4. Step 4: Simplify right side
    186,566.96x = 26,181,776,997.46
  5. Step 5: Solve for x
    x = 26,181,776,997.46/186,566.96
  6. Step 6: Final answer
    x = 140,334.48

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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.