Home / 186,386.57-257,211.55-101,503.63

Finding the Fourth Proportional to 186,386.57, 257,211.55 and 101,503.63

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Solution

The fourth proportional to 186,386.57, 257,211.55 and 101,503.63 is: 140,073.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,386.57 : 257,211.55 = 101,503.63 : x
  2. Step 2: Convert to fraction form
    186,386.57/257,211.55 = 101,503.63/x
  3. Step 3: Cross multiply
    186,386.57x = 257,211.55 × 101,503.63
  4. Step 4: Simplify right side
    186,386.57x = 26,107,906,451.32
  5. Step 5: Solve for x
    x = 26,107,906,451.32/186,386.57
  6. Step 6: Final answer
    x = 140,073.97

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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.