Home / 186,316.76-257,116.94-101,433.82

Finding the Fourth Proportional to 186,316.76, 257,116.94 and 101,433.82

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Solution

The fourth proportional to 186,316.76, 257,116.94 and 101,433.82 is: 139,978.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,316.76 : 257,116.94 = 101,433.82 : x
  2. Step 2: Convert to fraction form
    186,316.76/257,116.94 = 101,433.82/x
  3. Step 3: Cross multiply
    186,316.76x = 257,116.94 × 101,433.82
  4. Step 4: Simplify right side
    186,316.76x = 26,080,353,410.91
  5. Step 5: Solve for x
    x = 26,080,353,410.91/186,316.76
  6. Step 6: Final answer
    x = 139,978.57

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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.